日韩人妻视频无码_男的把j放进女人的小j视频_亚洲愉拍自拍另类 _亚洲精品成人老司机影视_亚洲中文字幕va毛片在线

欄目導(dǎo)航

avigation

美國NIST標(biāo)準(zhǔn)品 產(chǎn)品列表

發(fā)布時(shí)間:2024-06-12

訪問次數(shù):2541

公司地址:廣州市天河區(qū)天河北路僑林街47號中旅商務(wù)大廈東塔25E

產(chǎn)品價(jià)格:來電咨詢

產(chǎn)品詳情在線留言
品牌NIST/美國供貨周期一個(gè)月
應(yīng)用領(lǐng)域環(huán)保,食品,生物產(chǎn)業(yè),農(nóng)業(yè),文體

SRM Number

SRM Name

Unit of Issue

1d

Limestone, Argillaceous

70 g

4l

Cast Iron

150 g

5m

Cast Iron

150 g

6g

Cast Iron

150 g

8k

Bessemer Steel (Simulated), 0.1 % Carbon

150 g

12h

Basic Open-Hearth Steel, 0.4% Carbon

150 g

13g

0.6% Carbon Steel

150 g

14g

Carbon Steel (AISI 1078)

150 g

16f

Basic Open- Hearth Steel, 1% carbon

150 g

17f

Sucrose Optical Rotation

60 g

19h

Basic Electric Steel, 0.2% Carbon

150 g

20g

AISI 1045 Steel

150 g

25d

Manganese Ore

60 g

30f

Cr-V Steel (SAE 6150)

150 g

32e

Carbon Low Alloy Steel (SAE 3140) (chip form)

150 g

33e

Nickel Steel

150 g

36b

Chromium-Molybdenum Steel

150 g

39j

Benzoic Acid (Calorimetric Standard)

30 g

45d

Copper Secondary Freezing Point

450 g

46h

Portland Cement Fineness Std

10 vials x 5 g

49e

Lead Secondary Freezing Point Standard

600 g

53e

Lead-Base Bearing Metal (84Pb-10Sb-6Sn)

150 g

54d

Bearing Metal (Tin Base)

75 g

57b

Silicon Metal

40 g

58a

Ferrosilicon (73% Si Regular Grade)

75 g

59a

Ferrosilicon

50 g

64c

Ferrochromium, High Carbon

100 g

68c

High-Carbon Ferromanganese

100 g

69b

Bauxite (Arkansas)

60 g

70b

Potassium Feldspar

1 bottle x 40g

72g

Low Alloy Steel (AISI 4130)

150 g

76a

Burnt Refractory (Al203-40%)

75 g

77a

Burnt Refractory (Al203-60%)

75 g

78a

Burnt Refractory (Al203-70%)

75 g

79a

Fluorspar

120 g

80a

Soda-Lime Glass (Beads)

45 g

81a

Glass Sand

75 g

82b

Nickel-Chromium Cast Iron

150 g

84l

Potassium Hydrogen Phthalate

60 g

87a

Silicon-Aluminum Alloy

75 g

88b

Dolomitic Limestone

75 g

89

Glass, Lead Barium

45 g

90

Ferrophosphorus

75 g

92

Soda-Lime Glass, Low Boron (Powder)

45 g

93a

Borosilicate Glass

wafer

94c

Zinc-Base Alloy (Die Casting)

150 g

97b

Flint Clay

60 g

98b

Plastic Clay

60 g

99b

Soda Feldspar

40 g

100b

Manganese Steel 

150 g

101g

Stainless Steel (AISI 304L)

100 g

106b

LA Steel, Cr-Mo-Al (Nitralloy rG)

150 g

107c

Cast Iron (Ni-Cr-Mo)

150 g

114q

Portland Cement Fineness Std

20 vials

115a

Copper-Nickel-Chromium Cast Iron 

150 g

120c

Phosphate Rock (Florida)

90 g

122i

Cast Iron

150 g

123c

Stainless Steel, Cr-Ni-Nb (AISI 348)

150 g

125b

LA Steel, High Silicon

100 g

126c

High-Nickel Steel (36 % Ni)

150 g

127b

Solder (40Sn — 60Pb)

150 g

129c

LA Steel, High Sulfur (SAE 112)

150 g

131h

Refined Cast Iron

100 g

132b

Tool Steel (AISI M2)

150 g

133b

Chromium-Molybdenum Steel

150 g

134a

Molybdenum-Tungsten-Chromium-Vanadium Steel

150 g

136f

Potassium Dichromate, (Oxidimetric Standard)

60 g

139b

Chromium-Nickel-Molybdenum Steel

150 g

141d

Acetanilide

2 g

143d

Cystine

2 g

148

Nicotinic Acid

2 g

152a

Basic Open-Hearth Steel 0.5% Carbon (Tin Bearing)

150 g

154c

Titanium Dioxide

90 g

155

Chromium-Tungsten Steel

150 g

158a

Silicon Bronze

150 g

160b

Stainless Steel (Cr 18-Ni 12-Mo 2) (AISI 316)

150 g

163

Chromium Steel

100 g

165a

Glass Sand 

75 g

166c

Stainless Steel, Low-Carbon (AISI 316L)

100 g

173c

Titanium Alloy (6Al-4V)

50 g

178

0.4C Basic Oxygen Furnace Steel

150 g

179

LA Steel, High Silicon

150 g

180

Fluorspar, High Grade

120 g

181

Lithium Ore (Spodumene)

45 g

182

Lithium Ore (Petalite)

45 g

183

Lithium Ore (Lepidolite)

45 g

185i

Potassium Hydrogen Phthalate, pH Standard

60 g

186g

pH Standards, (set of 186-I-g + 186-II-g)

set

188

Potassium Hydrogen Tartrate (pH Standard)

60 g

189c

Potassium Tetroxalate Dihydrate pH Standard

65 g

191d

pH Standard
Sodium Bicarbonate (191d-I)
Sodium Carbonate (191d-II)

1 bottle x25g;1bottlex30g

193

Potassium Nitrate

90 g

194a

Ammonium Dihydrogen Phosphate

90 g

195

Ferrosilicon (75% Si-HP Grade)

75 g

196

Ferrochromium, (Low-Carbon)

100 g

198

Silica Brick

45 g

199

Silica Brick

45 g

200b

Potassium Dihydrogen Phosphate, (KH2PO4)

90 g

211d

Toluene Liquid Densit- Extended Range

4x5 mL

277

Tungsten Concentrate

1 bottle x 100 g

278

Obsidian Rock

35 g

291

Cr-Mo Steel (ASTM A-213)

150 g

293

Cr-Ni-Mo (AISI 8620)

150 g

330a

Copper Ore Mill Heads

1 bottle x 90 g

331a

Copper Ore Mill Tails

40 g

333a

Molybdenum Sulfide Concentrate

1 pouch x 60 g

334

Gray Cast Iron 

150 g

339

17 Chromium-9 Nickel-0.2 Selenium Steel

150 g

341

Ductile Cast Iron

150 g

342a

Nodular Cast Iron

150 g

343a

Stainless Steel (AISI 431)

150 g

344

15 Chromium-7 Nickel Steel (Mo Precipitation Hardening)

150 g

345b

Fe-Cr-Ni Alloy UNS J92180 (chip form)

150 g

346a

Valve Steel

150 g

349a

Waspaloy

150 g

350c

Benzoic Acid (Acidimetric Standard)

30 g

351a

Sodium Carbonate

50 g

360b

Zirconium (Sn-Fe-Cr) Alloy

100 g

361

AISI 4340 Steel

150 g

363

Chromium-Vanadium Steel (Modified)

150 g

364

LA Steel, High C (mod.)

150 g

368

Carbon Steel (AISI 1211)

150 g

399

Unalloyed Copper - Cu VI 

50 g

400

Unalloyed Copper - Cu VII

50 g

423

Molybdenum Oxide Concentrate

1 pouch x 60 g

454

Unalloyed Copper XI (chips)

35 g

457

Unalloyed Copper IV (solid)

rod

458

Beryllium-Copper (17510)

50 g

459

Beryllium-Copper (17200)

50 g

460

Beryllium-Copper Alloy

50 g

480

Tungsten 20 % - Molybdenum Alloy Electron Microprobe Standard

disk

481

Gold-Silver Wires for Microprobe Analysis

set (6)

482

Gold-Copper Wires for Microprobe Analysis

set (6)

494

Unalloyed Copper I (solid)

rod

495

Unalloyed Copper II (solid)

rod

498

Unalloyed Copper V (solid)

rod

499

Unalloyed Copper VI (solid)

rod

500

Unalloyed Copper - Cu VII

rod

600

Bauxite, Australian-Darling Range

90 g

607

Potassium Feldspar

5 g

610

Trace Elements in Glass

4 wafers

611

Trace Elements in Glass

4 wafers

612

Trace Elements in Glass

4 wafers

613

Trace Elements in Glass

4 wafers

614

Trace Elements in Glass

4 wafers

615

Trace Elements in Glass

4 wafers

616

Trace Elements in Glass

4 wafers

617

Trace Elements in Glass

4 wafers

620

Soda Lime, Flat

set (3)

622

Soda-Lime-Silica Glass

2.2 kg

624

Lead-Silica Glass for dc Volume Resistivity

200 g

625

Spectrographic Zinc-Base Die-Casting Alloy A

block

626

Spectrographic Zinc-Base Die-Casting Alloy B

block

627

Spectrographic Zinc-Base Die-Casting Alloy C

block

628

Spectrographic Zinc-Base Die-Casting Alloy D

block

629

Spectrographic Zinc-Base Die-Casting Alloy E

block

630

Spectrographic Zinc-Base Die-Casting Alloy F

block

631

Spectrographic Zinc Spelter (Modified)

block

633a

Portland Cement

4 vials x 5 g

634a

Portland Cement

100 g

640e

Line Position and Line Shape Standard for Powder Diffraction (Silicon Powder)

7.5 g

641

Spectroscopic Titanium-Base Standards Titanium Alloy, 8 Mn (A)

disk

642

Spectroscopic Titanium-Base Standards Titanium Alloy, 8 Mn (B)

disk

643

Spectroscopic Titanium-Base Standards Titanium Alloy, 8 Mn (C)

disk

647

Titanium Alloy, Al-Mo-Sn-Zr

50 g

648

Titanium-Base Alloy 5Al-2Sn-2Zr-4Cr-4Mo

50 g

649

Titanium-Base Alloy (15V-3Al-3Cr-3Sn)

50 g

654b

Titanium Alloy, Al-V

disk

656

Silicon Nitride for Quantitative Analysis by Powder Diffraction

2 x 10 g

659

Particle Size Distribution Standard for Sedigraph Calibration

set (5)

660c

Line Position and Line Shape Standard for Powder Diffraction (Lanthanum Hexaboride Powder)

6 g

663

Chromium-Vanadium Steel (Modified)

5 rods

665

Electrolytic Iron

5 rods

670

Rutile Ore

90 g

674b

X-Ray Powder Diffraction Intensity Set (Quantitative Powder Diffraction Standard)

10.00 g (powder)

675

Line Position, Mica (XRD)

7.5 g

676a

Alumina Powder (Quantitative Analysis Powder Diffraction Standard)

20 g

679

Brick Clay

75 g

682

High-Purity Zinc

block

683

Zinc, Metal

block

685r

High Purity Gold (Rod)

rod, 15g

688

Basalt Rock

60 g

689

Ferrochromium Silicon

100 g

690

Iron Ore Canada

100 g

691

Iron Oxide, Reduced

100 g

692

Iron Ore, Labrador

100 g

693

Iron Ore (Nimba)

100 g

694

Phosphate Rock, Western

90 g

695

Trace Elements in Multi-Nutrient Fertilizer

70 g

696

Bauxite, Surinam

60 g

697

Bauxite, Dominican

60 g

698

Bauxite, Jamaican

60 g

699

Alumina (Reduction Grade)

60 g

705a

Polystyrene (Narrow Molecular Weight Distribution)

5 g

706a

Polystyrene (Broad Molecular Mass Distribution)

18 g

709

Extra Dense Lead Glass

disk

717a

Hi Boron Glass Viscosity

disk

720

Sapphire Heat Capacity

15 g

723e

Tris Acidimetric

50 g

728

Intermediate-Purity Zinc

pin form, 450 g

731L1

Borosilicate Glass - Thermal Expansion

5 cm

731L2

Borosilicate Glass - Thermal Expansion

10 cm

731L3

Borosilicate Glass - Thermal Expansion

15 cm

741a

Tin Freezing-Point Standard

200 g

742

Aluminum Oxide Pyrometric Standard

10 g

762

Magnetic Moment Standard - Nickel Disk

6 mm dia

764a

Magnetic Susceptibility Standard - Platinum Cylinder

3 mm dia. x 3.42 L

772a

Magnetic Moment Standard - Nickel Sphere

each

781D2

Molybdenum - Heat Capacity

10 cm

853a

Aluminum Alloy 3004

40 g

854a

Aluminum Alloy 5182

40 g

855a

Aluminum Casting Alloy 356

30 g

856a

Aluminum Casting Alloy 380

30 g

858

Aluminum Alloy 6011

35 g

861

Nickel-based Superalloy

50 g

862

High-Temperature Alloy L 605

100 g

864

Inconel 600

100 g

865

Inconel 625

150 g

866

Incoloy 800

100 g

867

Ni-Fe-Cr Alloy UNS N08825 (chip form)

100 g

868

High Temp. Alloy Fe-Ni-Co

100 g

869b

Column Selectivity Test Mixture for Liquid Chromatography

5 x 1.1 mL

870

Column Performance Test Mixture of Liquid Chromatography

5 x 1.1 mL

871

Phosphor Bronze (CDA 521)

100 g

872

Phosphor Bronze (CDA 544)

100 g

874

Cupro-Nickel, 10% (CDA 706) "HIGH-PURITY"

100 g

875

Cupro-Nickel, 10% (CDA 706) "DOPED"

100 g

880

Nickel Silver (CDA 770)

100 g

882

Nickel-Copper Alloy (65Ni-31Cu-3Al)

100 g

885

Refined Copper

pellet form, 200 g

886

Refractory Gold Ore

200 g

887

Cemented Carbide (W-83,Co-10)

100 g

888

Cemented Carbide (W-64,Co-25,Ta-5)

100 g

893

Stainless Steel (SAE 405)

150 g

895

Stainless Steel (SAE 201)

150 g

897

Tracealloy A

35 g

899

Tracealloy C

35 g

909c

Frozen Human Serum

3 x 2 mL

911c

Cholesterol

2 g

913b

Uric Acid

10 g

914a

Creatinine

10 g

915b

Calcium Carbonate 

20 g

917c

D-Glucose (Dextrose)

50 g

918c

Potassium Chloride General and Ion Activity Standard (Dried at 110 °C)

30 g

919b

Sodium Chloride 

30 g

920

D-Mannitol

50 g

921

Cortisol (Hydrocortisone)

1 g

924a

Lithium Carbonate 

30 g

927e

Bovine Serum Albumin (7% solution) (Total Protein Standard)

10 x 2.2mL

928

Lead Nitrate 

30 g

929a

Magnesium Gluconate

5 g

931h

Liquid Absorbance Standard for Ultraviolet and Visible Spectrophotometry

set (12)

937

Iron Metal 

50 g

951a

Boric Acid Isotopic Standard

10 g

953

Neutron Density Monitor Wire

1 m

955c

Toxic Metals in Caprine Blood

4 vials

956d

Electrolytes in Frozen Human Serum

6 x 2.0 mL

965b

Glucose in Frozen Human Serum

set (8) (2 each conc)

967a

Creatinine in Frozen Human Serum

set(4) (2 each conc)

968e

Fat-Soluble Vitamins, Carotenoids, and Cholesterol in Human Serum

set (3) (1 each conc.)

971

Hormones in Frozen Human Serum

2 x 5 mL

972a

Vitamin D Metabolites in Frozen Human Serum

4 x 1 mL

973

Boric Acid Acidimetric Standard

100 g

975a

Isotopic Standard for Chlorine

0.25 g

977

Isotopic Standard for Bromine

0.25 g

978a

Assay-Isotopic Standard for Silver

0.25 g

979

Chromium Isotopic Standard

0.25 g

980

Isotopic Standard for Magnesium

0.25 g

981

Common Lead Isotopic Standard

1 g wire

983

Radiogenic Lead Isotopic Standard

1 g wire

984

Rubidium Chloride

0.25 g

986

Isotopic Standard for Nickel

0.5 g

987

Strontium Carbonate Isotopic Standard

1 g

994

Isotopic Standard for Gallium

0.25 g

998

Angiotensin I (Human)

0.5 mg

999c

Potassium Chloride Primary Standard (Dried at 500 °C)

30 g

1003c

Glass Beads - Particle Size Distribution

28 g

1004b

Glass Beads - Particle Size Distribution

43 g

1010a

Microcopy Resolution Test Charts

set (5)

1012

Flooring Radiant Panel

set (3)

1017b

Glass Beads - Particle Size Distribution (100 μm to 400 μm diameter range)

70 g

1018b

Glass (Particle Size)

87 g

1019b

Glass (Particle Size)

200 g

1021

Glass ( Particle Size)

4 g

1034

Unalloyed Copper

rod

1035

Leaded-Tin Bronze Alloy

50 g

1065b

Nickel Cyclohexanebutyrate

5 g

1066a

Octaphenylcyclotetrasiloxane

5 g

1075a

Aluminum 2-Ethylhexanoate

5 g

1077a

Silver 2-Ethylhexanoate

5 g

1078b

Tris(1-phenyl-1,3-butanediono)chromium(III)

5 g

1079b

Tris(1-phenyl-1,3-butanediono)iron(III)

5 g

1080a

Bis(1-phenyl-1,3-butanediono)copper(II)

5 g

1082

Cigarette Ignition Strength Standard

1 carton (200 cigarettes)

1083

Wear-Metals in Lubricating Oil 

150 mL

1085c

Wear Metals in Lubricating Oil

10 ampoules

1089

Steels, Set (consists of SRMs 1095, 1096, 1097, 1098 and 1099)

5 rods

1090

Oxygen in Ingot Iron

rod

1091a

Oxygen in Stainless Steel (AISI 431)

rod

1093

Oxygen in Valve Steel

rod

1094

Oxygen in Maraging Steel

rod

1107

Naval Brass UNS 46400

disk

1110

Red Brass B

disk

1111

Red Brass Standard

disk

1112

Gilding Metal 

disk

1113

Gilding Metal 

disk

1114

Gilding Metal 

disk

1115

Commercial Bronze Standard for Optical Emission and X-ray Spectroscopic Analysis

disk

1116

Commercial Bronze Standard for Optical Emission and X-ray Spectroscopic Analysis

disk

1117

Commercial Bronze Standard for Optical Emission and X-ray Spectroscopic Analysis

disk

1124

Free Cutting Brass (UNS C36000)

1 disk

1128

Titanium -Base Alloy (15V-3Al-3Cr-3Sn)

disk

1129

Solder (63Sn-37Pb)

200 g

1131

Solder (40Sn - 60Pb)

disk

1132

Lead-Base Bearing Metal (84Pb - 10Sb - 6Sn)

disk

1134

LA Steel, High Silicon

disk

1135

LA Steel, High Silicon

disk

1138a

Cast Steel Standard

disk

1139a

Cast Steel Standard

disk

1155a

Stainless Steel (Cr 18 Ni 12, Mo 2)

disk

1157

Tool Steel (AISI M2)

disk

1158

High-Nickel Steel (36% Ni)

disk

1159

Electronic and Magnetic Alloy Standard

disk

1160

Elec/Mag Ni-Mo-Fe

disk

1171

Stainless Steel Cr 17-Ni 11-Ti 0.3 (AISI 321)

disk

1172

Stainless Steel Cr 17-Ni 11-Nb 0.6 (AISI 348)

disk

1173

Ni-Cr-Mo-V Steel

disk

1196

Standard Cigarette for Ignition Resistance Testing

2 cartons(400 cigarettes)

1216

Carbon Modified Silica

3 x 1g

1218

LA Steel, High Silicon

disk

1219

Cr16-Ni2 (AISI 431)

disk

1223

Chromium Steel

disk

1224

LA Steel, Carbon (AISI 1078)

disk

1225

LA Steel (AISI 4130)

disk

1226

LA Steel

disk

1227

LA Steel, Basic Open Hearth, 1% C

disk

1228

LA Steel, 0.1% C

disk

1230

High-Temperature Alloy A286 (disk form)

disk

1240c

Aluminum Alloy 3004

disk

1241c

Aluminum Alloy 5182

disk

1242

High Temperature Alloy L 605

disk

1243

Ni-Cr-Co Alloy UNS N07001 (disk form)

disk

1244

Inconel 600

disk

1246

Incoloy® 800

disk

1247

Ni-Fe-Cr Alloy UNS N08825 (disk form)

disk

1249

Ni-Cr-Fe-Nb-Mo Alloy UNS N077178 (disk form)

disk

1250

High Temp. Alloy Fe-Ni-Co

disk

1255b

Aluminum Alloy 356

disk

1256b

Aluminum Alloy 380

disk

1258-I

Aluminum Alloy 6011

disk

1259

Aluminum Alloy 7075

disk

1264a

LA Steel, High Carbon (mod.)

disk

1265a

Electrolytic Iron

disk

1269

Line Pipe (AISI 1526 mod.)

disk

1270

LA Steel, Cr-Mo (A336) (F-22)

disk

1271

LA Steel (HSLA-100)

disk

1276a

Cupro-Nickel (CDA 715)

disk

1286

Low Alloy Steel (HY 80)

disk

1295

Stainless Steel (SAE 405)

disk

1297

Stainless Steel (SAE 201)

disk

1358b

Coating Thickness Standard, (Nonmagnetic Coating on Steel)

set (5)

1359b

Coating Thickness Standard (Nonmagnetic Coating on Steel)

set (5)

1361b

Coating Thickness Standard (Nonmagnetic Coating on Steel)

set (5)

1362b

Coating Thickness Standard (Nonmagnetic Coating on Steel)

set (5)

1363b

Coating Thickness Standard (Nonmagnetic Coating on Steel)

set (5)

1364b

Coating Thickness Standard (Nonmagnetic Coating on Steel)

set (5)

1400

Bone Ash

50 g

1411

Soft Borosilicate Glass

set (10)

1413

High Alumina Sand

75 g

1416

Aluminosilicate Glass for Liquidus Temperature

250 g

1449

Thermal Resistance - Fumed Silica Board

each

1450d

Thermal Conductivity, Fibrous Glass Board

each

1452

Thermal Resistance - Fibrous Glass Blanket for High Precison Measurements

each

1453

Thermal Conductivity - Expanded Polystyrene Board

each

1457

Superconducting Critical Current - Nb Ti Wire

each

1459

Thermal Resistance - Fumed Silica Board

each

1476a

Branched Polyethylene Resin

12 g

1478

Polystyrene (Narrow Molecular Weight Distribution)

2 g

1479

Polystyrene (Narrow Molecular Weight Distribution)

2 g

1482a

Polyethylene

0.3 g

1483a

Linear Polyethylene

0.3 g

1484a

Linear Polyethylene

0.3 g

1486

Bone Meal

50 g

1487

Poly(Methyl Methacrylate) (6 K Narrow Molecular Weight Distribution)

2 g

1488

Poly (Methyl Methacrylate) 29 K Narrow Molecular Weight Distribution

2 g

1492

Chlorinated Pesticides in Hexane

5 x 1.2 mL

1493

Polychlorinated Biphenyl Congeners in 2,2,4-Trimethylpentane

5 x 1.2 mL

1494

Aliphatic Hydrocarbons in 2,2,4-Trimethylpentane

5 x 1.2 mL

1496

Unpigmented Polyethylene Gas Pipe Resin

0.9 kg

1507b

THC-COOH in Freeze-Dried Urine

set (3)

1508a

Benzoylecgonine (Cocaine Metabolite) in Freeze-dried Urine

set (4)

1514

Thermal Analysis Purity Set 

set (4)

1543

GC/MS System Performance Standard

4 x 1 mL

1544

Fatty Acids and Cholesterol in a Frozen Diet Composite

4x15 g

1546a

Meat Homogenate

4 cans x 85 g

1548a

Typical Diet

set (2)

1549a

Whole Milk Powder

5 pouches x 10 g each

1566b

Oyster Tissue

25 g

1567b

Wheat Flour

50 g

1568b

Rice Flour

50 g

1570a

Trace Elements in Spinach Leaves

60 g

1573a

Tomato Leaves

50 g

1575a

Trace Elements in Pine Needles

50 g powder

1577c

Bovine Liver

20 g

1584

Priority Pollutant Phenols in Methanol

5 x 1.2 mL

1595

Tripalmitin

2 g

1596

Dinitropyrene Isomers and 1-Nitropyrene in Methylene Chloride

5 x 1.3 mL

1597a

Complex Mixture of Polycyclic Aromatic Hydrocarbons Coal Tar

1 x 1.3 mL

1614

Dioxin (2,3,7,8-TCDD in Isooctane)

6 x 1.2 mL

1616b

Sulfur in Kerosene (Low Level)

100 mL

1617b

Sulfur in Kerosine (High Level)

100 mL

1619b

Sulfur in Residual Fuel Oil (0.7%)

100 mL

1622e

Sulfur in Residual Fuel Oil (Nominal Mass Fraction 2 %)

100 mL

1624d

Sulfur in Diesel Fuel Oil (Nominal Mass Fraction 0.4 %)

100 mL

1632d

Trace Elements in Coal (Bituminous)

50 g

1633c

Trace Elements in Coal Fly Ash

75 g

1634c

Trace Elements in Fuel Oil

100 mL

1635a

Trace Elements in Coal, (Subbitumimous)

50 g

1640a

Trace Elements in Natural Water

250 mL

1641e

Mercury in Water

10x10 mL

1643f

Trace Elements in Water

250 mL

1646a

Estuarine Sediment

70 g

1647f

Priority Pollutant Polycyclic Aromatic Hydrocarbons in Acetonitrile

5 x 1.3 mL

1648a

Urban Particulate Matter

2 g

1649b

Urban Dust

2 g

1650b

Diesel Particulate Matter

200 mg

1655

Potassium Chloride, KCl (cr) for Solution Calorimetry

30 g

1656

Thianthrene Combustion Calorimetric Standard

30 g

1657

Synthetic Refuse-Derived Fuel Combustion Calorimetric Standard

100 g

1658a

Methane in Air (Nominal Amount-of-Substance Fraction 1 umol/mol)

cylinder

1659a

Methane in Air (Nominal Amount-of-Substance Fraction 10 umol/mol)

cylinder

1660a

Methane and Propane in Air (Nominal: 4 µmol/mol Methane; 1 µmol/mol Propane)

cylinder

1661a

Sulfur Dioxide in Nitrogen (Nominal Amount-of-Substance Fraction 500 µmol/mol)

cylinder

1662a

Sulfur Dioxide in Nitrogen (Nominal Amount-of-Substance Fraction 1000 µmol/mol)

cylinder

1663a

Sulfur Dioxide in Nitrogen (Nominal Amount-of-Substance Fraction 1500 µmol/mol) 

cylinder

1664a

Sulfur Dioxide in Nitrogen (Nominal Amount-of-Substance Fraction 2500 µmol/mol)

cylinder

1665b

Propane in Air (Nominal Amount-of-Substance Fraction 3 µmol/mol)

cylinder

1666b

Propane in Air (Nominal Amount-of-Substance Fraction 10 µmol/mol)

cylinder

1668b

Propane in Air (Nominal Amount-of-Substance Fraction 100 µmol/mol)

cylinder

1674b

Carbon Dioxide in Nitrogen (Nominal Amount-of-Substance Fraction 7 % mol/mol)

cylinder

1677c

Carbon Monoxide in Nitrogen (Nominal Amount-of-Substance Fraction 10 µmol/mol)

cylinder

1678c

Carbon Monoxide in Nitrogen (Nominal Amount-of-Substance Fraction 50 µmol/mol)

cylinder

1679c

Carbon Monoxide in Nitrogen (Nominal Amount-of-Substance Fraction 100 µmol/mol)

cylinder

1680b

Carbon Monoxide in Nitrogen (Nominal Amount-of-Substance Fraction 500 µmol/mol)

cylinder

1681b

Carbon Monoxide in Nitrogen (Nominal Amount-of-Substance Fraction 1000 µmol/mol)

cylinder

1683b

Nitric Oxide in Nitrogen (Nominal Amount-of-Substance Fraction 50 µmol/mol)

cylinder

1685b

Nitric Oxide in Nitrogen (Nominal Amount-of-Substance Fraction 250 µmol/mol)

cylinder

1686b

Nitric Oxide in Nitrogen (Nominal Amount-of-Substance Fraction 500 µmol/mol)

cylinder

1691

Polystyrene Spheres (Nominal Diameter 0.3 µm)

5 mL

1693a

Sulfur Dioxide in Nitrogen (Nominal Amount-of-Substance Fraction 50 µmol/mol)

cylinder

1694a

Sulfur Dioxide in Nitrogen (Nominal Amount-of-Substance Fraction 100 µmol/mol)

cylinder

1696a

Sulfur Dioxide in Nitrogen (Nominal Amount-of-Substance Fraction 3500 µmol/mol)

cylinder

1710

Aluminum Alloy 3004

disk

1711

Aluminum Alloy 3004

disk

1713

Aluminum Alloy 5182

disk

1718

Nitrous Oxide in Air (Nominal Amount-of-Substance Fraction 1 µmol/mol)

cylinder

1720

Northern Continental Air

cylinder

1721

Southern Oceanic Air 

cylinder

1727

Anode Tin

block

1728

Tin Alloy (Sn-3Cu-0.5Ag)

disk

1729

Tin Alloy (97 Sn - 3 Pb)

disk

1738

Zinc-Aluminum Alloy

disk

1739

Zinc-Aluminum Alloy

disk

1740

Zinc-Aluminum Alloy

disk

1741

Zinc-Aluminum Alloy

disk

1742

Zinc-Aluminum Alloy

disk

1746

Silver Freezing-Point Standard

300 g

1749

Gold versus Platinum Thermocouple Certified Thermometer 

each

1750

Standard Platinum Resistance Thermometer Certified Thermometer 

each

1754

Low-Alloy Steel, AISI 4320

rod

1755

Nitrogen in Low Alloy Steel

disk

1761a

Low Alloy Steel

disk

1762a

Low Alloy Steel

disk

1763a

Low Alloy Steel

disk

1764a

Low Alloy Steel

disk

1765

Low Alloy Steel

disk

1766

Low Alloy Steel

disk

1767

Low Alloy Steel

disk

1768

High-Purity Iron

disk

1772

Tool Steel (S-7)

disk

1775

Refractory Alloy MP-35-N 

disk

1810a

Linerboard

50 each

1818a

Chlorine in Lubricating Base Oils

set (5)

1819a

Sulfur in Lub. Base Oil

set (5)

1830

Soda Lime Float Glass

3 plaets

1831

Soda Lime Sheet Glass

3 plaets

1834

Fused Simulated Ore for X-ray Fluorescence Spectrometry

disk

1835

Borate Ore

60 g

1845a

Whole Egg Powder

5 pouches x 10 g each

1848

Lubricating Oil Additive Package

100 g

1849a

Infant/Adult Nutritional Formula

10 pouches x 10 g each

1857

Tool Steel for Abrasive Wear Standard

2 blocks

1878b

Respirable Alpha Quartz (Quantitative X-Ray Powder Diffraction Standard)

5 g

1880b

Portland Cement

4 vials x 5 g

1881a

Portland Cement

4 vials x 5g

1882a

Calcium Aluminate Cement

4x5 g

1883a

Calcium Aluminate Cement

4x5 g

1884b

Portland Cement

5 vials x 4.5 g

1885b

Portland Cement

5 vials x 5g

1886b

White Portland Cement

5 vials x 5 g

1886a

Portland Cement (White Portland Cement with Low Iron)

4 vials x 5 g

1887b

Portland Cement

5 vials x 4 g each

1888b

Portland Cement

4 vials x 5 g

1889a

Portland Cement (Blended with Limestone)

4 vials x 5 g

1893

Copper Microhardness Test Block (Knoop)

each

1894a

Vickers Microhardness of Copper

each

1895

Nickel Microhardness Test Block (Knoop)

each

1896b

Vickers Microhardness of Nickel

each

1898

Titanium Dioxide Nanomaterial

15 g

1900

Specific Surface Area Standard

4 g

1905

Nickel Microhardness Test Block (Knoop) 

each

1906

Nickel Microhardness Test Block (Knoop)

each

1907

Nickel Microhardness Test Block (Knoop)

each

1908

Vickers Microhardness of Nickel

each

1909

Vickers Microhardness of Nickel

each

1917

Mercury Porosimetry Standard

10 g

1921b

Infrared Transmission Wavelength Standard

1 card

1932

Fluorescein Solution

3 x 2 mL

1934

Fluorescent Dyes for Quantitative Flow Cytometry (Visible Spectral Range)

4 ampoules x 1 each level

1939a

Polychlorinated Biphenyls (Congeners) in River Sediment A

50 g

1941b

Organics in Marine Sediment

50 g

1944

New York/New Jersey Waterway Sediment

50 g

1945

Organics in Whale Blubber

2x15 g

1946

Lake Superior Fish Tissue

5 x 7-9 grams

1947

Lake Michigan Fish Tissue

5 x 8 grams

1950

Metabolites in Frozen Human Plasma

5 x 1 mL

1951c

Lipids in Frozen Human Serum

4 vials (2 each conc)

1952a

Cholesterol in Freeze-Dried Human Serum

set (6) (2 each conc)

1953

Organic Contaminants in Non-Fortified Human Milk

5 x 5 mL

1954

Organic Contaminants in Fortified Human Milk

5 x 5 mL

1957

Organic Contaminants in Non-Fortified Human Serum (Freeze-Dried)

5 x 10.7 mL reconstituted

1958

Organic Contaminants in Fortified Human Serum (Freeze-Dried)

5 x 10 mL

1961

Polystyrene Spheres 30 µm Diameter Polystyrene Spheres

5 mL

1963a

Nominal 100 nm Diameter Polystyrene Spheres

5 mL

1964

Nominal 60 nm Diameter Polystyrene Spheres

5 mL

1965

Microsphere Slide (10-µm Polystyrene Spheres)

slide

1967a

High-Purity Platinum Thermoelement

0.51 x 1 m platinum wire

1968

Gallium Melting-Point Standard

each

1972

1,3-Dioxolan-2-one Triple Point

60 g

1974c

Organics in Mussel Tissue (Mytilus edulis)

5 jars x 10 g

1975

Diesel Particulate Extract

4x1.2 mL

1976b

Instrument Response Standard for X-Ray Powder Diffraction

1 disc

1978

Particles Size Distribution Standard for Gravity Sedimentation

5 g

1980

Positive Electrophoretic (+µE) Mobility Standard

500 mg/L

1982

Zirconia Thermal Spray Powder - Particle Size Distribution

10 g

1984

Thermal Spray Powder - Particle Size Distribution Tungsten Carbide/Cobalt (Acicular)

14 g

1985

Thermal Spray Powder - Particle Size Distribution Tungsten Carbide/Cobalt (Spheroidal)

14 g

1990

Single Crystal Diffractometer Alignment Standard - Ruby Sphere

3 spheres

1991

Mix Coal Tar/Petroleum Extract in Methylene Chloride

5 x 1.2 mL

1994

Standard Silicon Single Crystal Wafer for Crystalline Orientation

100-mm wafer

1995

Standard Sapphire Single Crystal Wafer for Crystalline Orientation

50-mm wafer

2000

Calibration Standard for High-Resolution X-Ray Diffraction

1 block

2012

Calibration Standard for High-Resolution X-Ray Diffraction (200 mm Wafer)

wafer

2036

Near Infrared Wavelength/Wavenumber Reflection Standard

each

2061

TiAl(NbW) Alloy for Microanalysis

cube

2066

K-411 Glass Microspheres

50 mg

2074

Sinusoidal Roughness Specimen

each

2075

Sinusoidal Roughness Specimen

each

2088

Density Standard for Medical Computed Tomography

five foam blocks

2092

Low-Energy Charpy V-Notch Impact Specimen (NIST-Verification)

set

2093

Low-Energy Charpy V-Notch Impact Specimen Self-Verification (ASTM E23)

set

2096

High-Energy Charpy V-Notch Impact Specimen (NIST-Verification)

set

2097

High Energy Charpy V Notch Impact Specimen Self-Verification (ASTM E23)

set

2100a

Fracture Toughness of Ceramic

5 bars

2100b

Fracture Toughness of Ceramic

5 bars

2112

Dynamic Impact Force Verific Specimens (Nominal 24kN)

set

2113

Dynamic Impact Force Verification Specimens (Nominal 33kN)

set

2133

Phosphorus Implant in Si Depth Profile

each

2134

Arsenic Implant in Silicon Depth Profile Standard

each

2135c

Ni/Cr Thin Film Depth Profile

each

2137

Boron Implant in Silicon Standard for Calibration of Concentration in a Depth Profile

each

2139

Zinc-Aluminum Alloy

100 g

2141

Urea

2 g

2143

p-Fluorobenzoic Acid

2 g

2144

m-Chlorobenzoic Acid

2 g

2152

Urea Combustion Calorimetric Standard

25 g

2159

LA Steel, Carbon & Sulfur only

200 g

2160

LA Steel, Carbon & Sulfur only

200 g

2165

Low Alloy Steel

150 g

2166

Low Alloy Steel

150 g

2167

Low Alloy Steel

150 g

2168

High Purity Iron

150 g

2171

LA Steel, (HSLA 100)

150 g

2172

S-7 Tool Steel

150 g

2175

Refractory Alloy MP-35-N

150 g

2181

HEPES 

60 g

2182

HEPES Sodium Salt

60 g

2185

Potassium Hydrogen Phthalate pD Standard

60 g

2186i

Potassium Dihydrogen Phosphate

30 g

2186II

Disodium Hydrogen Phosphate

30 g

2191a

Sodium Bicarbonate

30 g

2192a

Sodium Carbonate

30 g

2201

Sodium Chloride (Ion-Selective)

125 g

2203

Potassium Fluoride (Standard for Ion-Selective Electrodes)

125 g

2206

Controlled Pore Glass - BET Specific Surface Area (300 nm)

5 g

2207

Controlled Pore Glass - BET Specific Surface Area (Nominal Pore Diameter 18 nm)

5 g

2214

Isooctane Liquid Density

4x5 mL

2216

Miniaturized Low Energy Charpy, V Notch KLST Impact Specimen

set

2218

Miniaturized Hi Energy Charpy, V Notch KLST Impact Specimen

set

2219

Miniaturized Super High Energy, Charpy VNotch KLST Impact Spec

set

2232

Indium DSC Calibration Standard - Temperature and Enthalpy of Fusion

1 g

2234

Gallium for Thermal Analysis

2 g

2235

Bismuth for Thermal Analysis

1.5 g

2241

Relative Intensity Correction Standard for Raman Spectroscopy: 785 nm Excitation

each

2242

Relative Intensity Correction Standard for Raman Spectroscopy: 532 nm Excitation

each

2244

Relative Intensity Correction Standard for Raman Spectroscopy: 1064 nm Excitation

each

2246

Relative Intensity Correction Standard for Raman Spectroscopy: 830 nm Excitation

each

2257

PBDE Congeners in 2,2,4-Trimethylpentane

5 x 1.2 mL

2258

BDE 209 in 2,2,4-Trimethylpentane

5 x 1.2 mL

2259

PCB Congeners in 2,2,4-Trimethylpentane

5 ampoules x 1.2 mL

2260a

Aromatic Hydrocarbon in Toluene

5 x 1.2 mL

2261

Chlorinated Pesticides in Hexane

5 x 1.2 mL

2262

Chlorinated Biphenyl Cogeners in Isooctane

5 x 1.2 mL

2266

Hopanes and Steranes in, 2,2,4 Trimethylpentane

5 x 1.2 mL

2269

Perdeuterated PAH-I Solution in Hexane/Toluene

5x1.2 mL

2270

Perdeuterated PAH-II Solution in Hexane/Toluene

5x1.2 mL

2273

Chlorinated Pesticides (DDTs) and Metabolites in Isooctane

5x1.2 mL

2274

PCB Congener Solution-II in Isooctane

5x1.2 mL

2275

Chlorinated Pesticide Solution-II in Isooctane

5x1.2 mL

2276

Three Planar Polychlorinated Biphenyl (PCB) Congeners in Isooctane

5x1.2 mL

2285

Ignitable Liquids Test Mixture

5 x 1.2 mL

2294

Reformulated Gasoline (Nominal Mass Fraction 11% MTBE)

2 x 20 mL

2295

Reformulated Gasoline (nominal 15% MTBE)

2 x 20 mL

2296

Reformulated Gasoline (Nominal Mass Fraction 13 % ETBE)

2 x 20 mL

2297

Reformulated Gasoline (Nominal Mass Fraction 10% Ethanol)

2 X 20 mL

2366a

Cytomegalovirus DNA (TowneΔ147BAC) for DNA Measurements

1 vial

2372

Human DNA Quantitation Standard

set (3 x 1 each)

2373

Genomic DNA Standards for HER2Measurements

5 vials, 1 each level

2374

DNA Sequence Library for External RNA Controls

96 tubes

2377

Fatty Acid Methyl Esters in 2,2,4-Trimethylpentane

5 x 1.2 mL

2378

Fatty Acids in Frozen Human Serum

3 vials, 1 level each

2379

Drugs of Abuse in Human Hair I

100 mg

2380

Drugs of Abuse in Human Hair II

100 mg

2383a

Baby Food Composite

4 X 70 g

2384

Baking Chocolate

5 X 91 g

2385

Slurried Spinach

4x70 g

2387

Peanut Butter

3 x 170 g

2389a

Amino Acids in 0.1 mol/L Hydrochloric Acid

5 x 1.2 mL

2391c

PCR-Based DNA Profiling Standard

6 vials

2392

Mitochondrial DNA Sequencing

set (3)

2392-I

Mitochondrial DNA Sequencing (Human HL-60 DNA)

each

2393

CAG Repeat Length Mutation in Huntington's Disease

set (6)

2394

Heteroplasmic Mitochondrial DNA Mutation Detection Std

set (10)

2396

Oxidative DNA Damage Mass Spectrometry Standards

set (10)

2426

55 % Aluminum-Zinc Alloy

40 g

2429

Flue Gas Desulfurization Gypsum

1 bottle x 200 g

2430

Scheelite Ore

100 g

2431

Titanium Base Alloy

50 g

2432

Titanium-Base Alloy 10V - 2Fe - 3Al

50 g

2433

Titanium-Base Alloy 8Al-1Mo-1V

50 g

2445

Mercury in Iodized Activated Carbon

25 g

2448

Mercury in Brominated Activated Carbon

25 g

2451

Fine Carbon (Activated) - From Cyanide Ore Leaching

100 g

2453a

Hydrogen In Titanium Alloy (Nominal Mass Fraction 125 mg/kg H)

10 g

2454

Hydrogen In Titanium Alloy

10 g

2461

Standard Cartridge Case

1 each

2483

Single-Wall Carbon Nanotubes (Raw Soot)

250 mg

2492

Bingham Paste Mixture for Rheological Measurements

kit for two batches

2514

Wavelength Calibration Reference for 1560 nm to 1595 nm 

each

2515

Wavelength Calibration Reference for 1595 nm to 1630 nm

each

2517a

High Resolution Wavelength Calibration Reference for 1510 to 1540 nm Acetylene 12C2H2

each

2520

Optical Fiber Diameter Standard

each

2541

Silicon Resistivity Standard - 0.01 ohm•cm Level

each

2543

Silicon Resistivity Standard - 1 ohm•cm Level

each

2553

Optical Fiber Coating Diameter (Nominal Refractive Index 1.504)

each

2554

Optical Fiber Coating Diameter (Nominal Refractive Index 1.515)

each

2556

Used Auto Catalyst (Pellets)

70 g

2557

Used Auto Catalyst (Monolith)

70 g

2569

Lead Paint Films for Children's Products

8 sheets

2570

Lead Paint Film for Building Surfaces (Blank) (Color:  White)

1 film

2571

Lead Paint Film for Building Surfaces (Nominal PB 3.5 mg/cm2 (Color:  Yellow) 

1 +blank

2572

Lead Paint Film for Building Surfaces (Nominal Pb 1.6 mg/cm2) (Color:  Orange)

1 +blank

2573

Lead Paint Film for Building Surfaces (Nominal Pb 1.0 mg/cm2) (Color:  Red)

1 +blank

2574

Lead Paint Film for Building Surfaces (Nominal Pb 0.7 mg/cm2) (Color:  Gold) 

1 +blank

2575

Lead Paint Film for Building Surfaces (Nominal Pb 0.3 mg/cm2) (Color:  Green)

1 +blank

2576

Lead Paint Film for Building Surfaces (Nominal Pb 5.6 mg/cm2) (Color:  Blue)

1 +blank

2579a

Lead Paint Films For Building Surfaces (SRM 2570 through SRM 2575)

set (6)

2580

Powdered Paint Nominal 4% Lead

30 g

2581

Powdered Paint Nominal 0.5 % Lead

35 g

2582

Powdered Paint Nominal 200mg/kg Lead

20 g

2583

Trace Elements in Indoor Dust (Nominal Mass Fraction of 90 mg/kg Lead)

8 g

2584

Trace Elements in Indoor Dust (Nominal Mass Fraction of 1 % Lead)

8 g

2585

Organic Contaminants in House Dust

10 g

2586

Trace Elements in Soil Containing Lead From Paint (Nominal 500 mg/kg Lead)

55 g

2587

Trace Elements in Soil (contains lead from paint)

55 g

2589

Powdered Paint Nominal 10% Lead

35 g

2614a

Carbon Monoxide in Air (Nominal Amount-of-Substance Fraction 45 µmol/mol)

cylinder

2617

Carbon Dioxide in Nitrogen (Nominal Amount-of-Substance Fraction 500 µmol/mol)

cylinder

2619a

Carbon Dioxide in Nitrogen (Nominal Amount-of-Substance Fraction 0.5 % mol/mol)

cylinder

2620a

Carbon Dioxide in Nitrogen (Nominal Amount-of-Substance Fraction 1 % mol/mol)

cylinder

2621a

Carbon Dioxide in Nitrogen (Nominal Amount-of-Substance Fraction 1.5 % mol/mol)

cylinder

2624a

Carbon Dioxide in Nitrogen (Nominal Amount-of-Substance Fraction 3 % mol/mol)

cylinder

2625a

Carbon Dioxide in Nitrogen (Nominal Amount-of-Substance Fraction 3.5 % mol/mol)

cylinder

2631a

Nitric Oxide in Nitrogen (Nominal Amount-of-Substance Fraction 3000 µmol/mol)

cylinder

2635a

Carbon Monoxide in Nitrogen (Nominal Amount-of-Substance Fraction 25 µmol/mol)

cylinder

2636a

Carbon Monoxide in Nitrogen (Nominal Amount-of-Substance Fraction 250 µmol/mol)

cylinder

2638a

Carbon Monoxide in Nitrogen (Nominal Amount-of-Substance Fraction 5000 µmol/mol)

cylinder

2639a

Carbon Monoxide in Nitrogen (Nominal Amount-of-Substance Fraction 1 % mol/mol)

cylinder

2640a

Carbon Monoxide in Nitrogen (Nominal Amount-of-Substance Fraction 2 % mol/mol)

cylinder

2641a

Carbon Monoxide in Nitrogen (Nominal Amount-of-Substance Fraction 4 % mol/mol)

cylinder

2642a

Carbon Monoxide in Nitrogen (Nominal Amount-of-Substance Fraction 8 % mol/mol)

cylinder

2644a

Propane in Nitrogen (Nominal Amount-of-Substance Fraction 250 µmol/mol)

cylinder

2646a

Propane in Nitrogen (Nominal Amount-of-Substance Fraction 1000 µmol/mol)

cylinder

2647a

Propane in Nitrogen (Nominal Amount-of-Substance Fraction 2500 µmol/mol)

cylinder

2657a

Oxygen in Nitrogen (Nominal Amount-of-Substance Fraction 2 % mol/mol)

cylinder

2658a

Oxygen in Nitrogen (Nominal Amount-of-Substance Fraction 10 % mol/mol)

cylinder

2659a

Oxygen in Nitrogen (Nominal Amount-of-Substance Fraction 21 % mol/mol)

cylinder

2668

Toxic Elements in Frozen Human Urine

Set (10) (5 each conc)

2669

Arsenic Species in Frozen Human Urine

Set (10) (5 each conc.)

2670a

Toxic Elements in Freeze-Dried Urine

set (4) (2 each conc)

2681

Trace Constituent Elements in Blank Filters

set (10)

2682c

Subbituminous Coal (Nominal Mass Fraction 0.5 % Sulfur)

1 bottle x 50 g

2683c

Bituminous Coal (Sulfur, Mercury, and Chlorine)

50 g

2684c

Bituminous Coal (Nominal Mass Fraction 3 % Sulfur)

50 g

2685c

Bituminous Coal (Nominal Mass Fraction 5 %Sulfur)

50 g

2686a

Portland Cement Clinker

4 vials x 7 g

2689

Coal Fly Ash

3 x 10 g

2690

Coal Fly Ash

3 x 10 g

2691

Coal Fly Ash

3 x 10 g

2692c

Bituminous Coal (Sulfur, Mercury and Chlorine)

50 g

2693

Bituminous Coal (Sulfur, Mercury, and Chlorine)

50 g

2695

Fluoride in Vegetation

2 x 25 g (1 ea conc)

2696

Silica Fume

70 g

2700

Hexavalent Chromium in Contaminated Soil (Low Level)

75 g

2701

Hexavalent Chromium in Contaminated Soil (High Level)

75 g

2702

Inorganics in Marine Sediment

50 g

2703

Sediment for Solid Sampling (Small Sample) Analytical Techniques

5 g

2709a

San Joaquin Soil

50 g

2710a

Montana I Soil

50 g

2711a

Montana II Soil

50 g

2717a

Sulfur in Residual Fuel Oil (Nominal Mass Fraction 3%)

100 mL

2718a

Green Petroleum Coke

50 g

2719

Calcined Petroleum Coke

50 g

2720

Sulfur in Di-n-Butyl Sulfide

5 x 4.5 mL

2721

Crude Oil (Light -Sour)

5X10 mL

2722

Crude Oil (Heavy Sweet)

5X10 mL

2723b

Sulfur in Diesel Fuel Oil (Nominal Mass Fraction 10 mg/kg)

100 mL

2730

Hydrogen Sulfide in Nitrogen (Nominal Amount-of-Substance Fraction 5 µmol/mol)

cylinder

2731

Hydrogen Sulfide in Nitrogen (Nominal Amount-of-Substance Fraction 20 µmol/mol)

cylinder

2735

Nitric Oxide in Nitrogen (Nominal Amount-of-Substance Fraction 800 µmol/mol)

cylinder

2737

Nitric Oxide in Nitrogen (Nominal Amount-of-Substance Fraction 500 nmol/mol)

cylinder

2738

Nitric Oxide in Nitrogen (Nominal Amount-of-Substance Fraction 1000 nmol/mol)

cylinder

2740a

Carbon Monoxide in Nitrogen (Nominal Amount-of-Substance Fraction 10 % mol/mol)

cylinder

2741a

Carbon Monoxide in Nitrogen (Nominal Amount-of-Substance Fraction 13 % mol/mol)

cylinder

2745

Carbon Dioxide in Nitrogen (Nominal Amount-of-Substance Fraction 16 % mol/mol)

cylinder

2750

Methane in Air (Nominal Amount-of-Substance Fraction 50 µmol/mol)

cylinder

2751

Methane in Air (Nominal Amount-of-Substance Fraction 100 µmol/mol)

cylinder

2764

Propane in Air (Nominal Amount-of-Substance Fraction 0.25 µmol/mol)

cylinder

2765

Propane in Air (Nominal Amount-of-Substance Fraction 100 nmol/mol)

cylinder

2770

Sulfur in Diesel Fuel Oil (Nominal Mass Fraction 40 mg/kg)

10 x 10 mL

2775

Foundry Coke

50 g

2776

Furnace Coke

50 g

2779

Gulf of Mexico Crude Oil

5 x 1.2mL

2781

Domestic Sludge

40 g

2782

Industrial Sludge

70 g

2783

Air Particulate on Filter Media

2 +2 Blnk (47 mm dia)

2786

Fine Particulate Matter (<4 µm)

1 bottle

2787

Fine Particulate Matter ( <10 µm)

1 bottle

2798a

Vickers Microhardness of Nickel

each

2806b

Medium Test Dust (MTD) in Hydraulic Fluid

2 x 400mL

2810

Rockwell C Hardness, Low Range

each

2811

Rockwell C Hardness -  Mid Range

each

2812

Rockwell C Scale Hardness - High Range

each

2816

Rockwell Hardness 15N Scale -  Low Range (Nominal 72 HR15N)

1 block

2817

Rockwell Hardness 15N Scale - Mid Range (Nominal 83 HR15N)

1 block

2818

Rockwell Hardness 15N Scale - High Range (Nominal 91 HR15N)

1 block

2819

Rockwell Hardness 30N Scale - Low Range (Nominal 45 HR30N)

1 block

2820

Rockwell Hardness 30N Scale - Mid Range (Nominal 64 HR30N)

1 block

2821

Rockwell Hardness 30N Scale - High Range (Nominal 79 HR30N)

1 block

2828

Knoop Microhardness of Steel

each

2829

Vickers Microhardness of Steel

each

2830

Knoop Hardness of Ceramics

each

2831

Vickers Hardness of Ceramics and Hardmetals

each

2841

Semiconductor Thin Film: AlxGa1-xAs Epitaxial Layers (Al mole fraction xnear 0.20)

disk

2842

Semiconductor Thin Film: AlxGa1-xAs Epitaxial Layers (Al mole fraction x near 0.30)

disk

2855

Additive Elements in Polyethylene

3 bottles

2870

Relative Permittivity and Loss Tangent 1422 Cross-Linked Polystyrene

circular-cylindrical puck

2881

Polystyrene Absolute Molecular Mass Distribution Standard

0.3 g

2885

Polyethylene (Mw, 6 280 g/mol)

0.3 g

2886

Polyethylene (Mw, 87 000 g/mol)

0.3 g

2887

Polyethylene (Mw, 196 400 g/mol)

0.3 g

2890

Water Saturated 1-Octanol

5 x 2 mL

2891

Ethanol-Water Solution (nom., 0.02 %)

5 x 1.2 mL

2892

Ethanol-Water Solution (nom., 0.04 %)

5 x 1.2 mL

2893

Ethanol-Water Solution (nom., 0.08 %)

5 x 1.2 mL

2894

Ethanol-Water Solution (nom., 0.1 %)

5 x 1.2 mL

2895

Ethanol-Water Solution (nom., 0.2 %)

5 x 1.2 mL

2896

Ethanol-Water Solution (nom., 0.3 %)

5 x 1.2 mL

2897a

Ethanol Water Solution (Nominal Mass Fraction 2%)

5 x 10 mL

2898a

Ethanol Water Solution, (Nominal Mass Fraction 6 %)

5 x 10 mL

2899a

Ethanol-Water Solution, (nominal 25 % by mass)

5 x 10 mL

2900

Ethanol-Water Solution (Nominal Mass Fraction 95.6%)

5 x 10 mL

2905

Trace Terrorist Explosives Simulants

4 bottles x 1 g each

2907

Trace Terrorist Explosives Simulants

2 bottles

2910b

Hydroxyapatite

2 g

2941

Relative Intensity Correction Standard for Fluorescence Spectroscopy: Green Emission 

each(12.5 x 12.5 x 45)mm

2942

Relative Intensity Correction Standard for Fluorescence Spectroscopy: Ultraviolet Emission 

each(12.5 x 12.5 x 45)mm

2943

Relative Intensity Correction Standard for Fluorescence Spectroscopy: Blue Emission

each(12.5 x 12.5 x 45)mm

2944

Relative Intensity Correction Standard for Fluorescence Spectroscopy: Red Emission

each(12.5 x 12.5 x 45)mm

2950a

Respirable Alpha Quartz on Filter Media (Nominal Mass of Alpha Quartz 5 µg-500 µg)

35 filters plus 35 blanks

2960

Respirable Cristobalite on Filter Media (Nominal Mass of Cristobalite: 5 ug - 250 ug)

30 filters plus 30 blanks

2972a

25-Hydroxyvitamin D Calibration Solutions

20 x 1.2 mL

2973

Vitamin D Metabolites in Frozen Human Serum (High Level)

one vial

2974a

Organics in Freeze-Dried Mussel Tissue (Mytilus edulis)

5 g

2975

Diesel Particulate Matter

1 g

2976

Mussel Tissue (Trace Elements & Methylmercury) Freeze-dried

25 g

3064

Endothall in Water

5 x 1.2 mL

3068

Total Chlordane in Methanol

5 x 1.2 mL

3074

Phthalates in Methanol

5 x 1.2 mL

3077

Aroclor 1242 in Transformer Oil

5x1.2 mL

3078

Aroclor 1248 in Transformer Oil

5x1.2 mL

3079

Aroclor 1254 in Transformer Oil

5x1.2 mL

3080

Aroclor 1260 in Transformer Oil

5x1.2 mL

3101a

Aluminum (Al) Standard Solution

5 x 10 mL

3102a

Antimony (Sb) Standard Solution

50 mL

3103a

Arsenic (As) Standard Solution

5 x 10 mL

3104a

Barium (Ba) Standard Solution

50 mL

3105a

Beryllium (Be) Standard Solution

5 x 10 mL

3106

Bismuth (Bi) Standard Solution

5 x 10 mL

3108

Cadmium (Cd) Standard Solution

5 x 10 mL

3109a

Calcium (Ca) Standard Solution

5 x 10 mL

3110

Cerium (Ce) Standard Solution

5x10 mL

3111a

Cesium (Cs) Standard Solution

5 x 10 mL

3112a

Chromium (Cr) Standard Solution

5 x 10 mL

3113

Cobalt (Co) Standard Solution

5x10 mL

3114

Copper (Cu) Standard Solution

50 mL

3117a

Europium (Eu) Standard Solution

5x10 mL

3119a

Gallium (Ga) Standard Solution

5 x 10 mL

3120a

Germanium (Ge) Standard Solution

50 mL

3122

Hafnium (Hf) Standard Solution

50 mL

3123a

Holmium (Ho) Standard Solution

5x10 mL

3124a

Indium (In) Standard Solution

5x10 mL

3126a

Iron (Fe) Standard Solution

5 x 10 mL

3127a

Lanthanum (La) Standard Solution

5 x 10 mL

3128

Lead (Pb) Standard Solution

5 x 10 mL

3129a

Lithium (Li) Standard Solution

5x10 mL

3130a

Lutetium (Lu) Standard Solution

5 x 10 mL

3131a

Magnesium (Mg) Standard Solution

5 x 10 mL

3132

Manganese (Mn) Standard Solution

5 x 10 mL

3133

Mercury (Hg) Standard Solution

5 x 10 mL

3134

Molybdenum (Mo) Standard Solution

5 x 10 mL

3135a

Neodymium (Nd) Standard Solution

5x10 mL

3136

Nickel (Ni) Standard Solution

5x10 mL

3137

Niobium (Nb) Standard Solution

50 mL

3138

Palladium (Pd) Standard Solution

5x10 mL

3139a

Phosphorus (P) Standard Solution

5x10 mL

3140

Platinum (Pt) Standard Solution

5x10 mL

3141a

Potassium (K) Standard Solution

5 x 10 mL

3142a

Praseodymium (Pr) Standard Solution

5x10 mL

3144

Rhodium (Rh) Standard Solution (nominal 1 mg/g)

5x10 mL

3145a

Rubidium (Rb) Standard Solution

5x10 mL

3147a

Samarium (Sm) Standard Solution

5x10 mL

3148a

Scandium (Sc) Standard Solution

5x10 mL

3149

Selenium (Se) Standard Solution

5 X 10 mL

3150

Silicon (Si) Standard Solution

50 mL

3151

Silver (Ag) Standard Solution

5 x 10 mL

3152a

Sodium (Na) Standard Solution

50 mL

3153a

Strontium (Sr) Standard Solution

5 x 10 mL

3154

Sulfur (S) Standard Solution

5 x 10 mL

3157a

Terbium (Tb) Standard Solution

5x10 ml

3158

Thallium (Tl) Standard Solution

5 x 10 mL

3160a

Thulium (Tm) Standard Solution

5 x 10 mL

3161a

Tin (Sn) Standard Solution

50 mL

3162a

Titanium (Ti) Standard Solution

50 mL

3163

Tungsten (W) Standard Solution

50 mL

3164

Uranium (U) Standard Solution (Radioactive)

5 x 10 mL

3166a

Ytterbium (Yb) Standard Solution

5 x 10 mL

3167a

Yttrium (Y) Standard Solution

5 x 10 mL

3168a

Zinc (Zn) Standard Solution

5 x 10 mL

3169

Zirconium (Zr) Standard Solution

50 mL

3177

Mercuric Chloride Standard Solution

5 x 10 mL

3180

Iodide Anion (I-) Standard Solution

5 x 5 mL

3181

Sulfate Anion Standard Solution

5x10 mL

3182

Chloride Anion Standard Solution

5 x 10 mL

3185

Nitrate Anion (NO3) Standard Solution

5 X 10 mL

3233

Fortified Breakfast Cereal

60 g each

3234

Soy Flour

50 g

3236

Soy Protein Isolate

5 x 10 g

3237

Soy Protein Concentrate

5 x 10 g

3238

Soy-Containing Solid Oral Dosage Form

5 x 10 g

3246

Ginkgo biloba (Leaves)

5 X 3 g

3247

Ginkgo biloba Extract

5 x 1 g

3248

Ginkgo-Containing Tablets

5 x 1 g

3250

Serenoa repens (Fruit)

5 x 6 g

3251

Serenoa repens Extract

5 x 1 mL

3252

Protein Drink Mix

5 pouches x 10 g each

3254

Green Tea (Camellia sinensis)Leaves

5 x 3 g

3255

Green Tea (Camellia sinensis) Extract

5 x 1 g

3256

Green Tea-Containing Solid Oral Dosage Form

5 x 2.5 g

3257

Catechin Calibration Solutions

12 x 2 mL

3264

St. John's Wort (Hypericum perforatum L.) Methanol Extract

5 packets x 1.6 grams

3274

Botanical Oils Containing Omega-3 and Omega-6 FattyAcids

4 x 1.2 mL

3275

Omega-3 and Omega-6 Fatty Acids in Fish Oil

3 ea (2 ampoule x 1.2 mL)

3276

Carrot Extract in Oil

5 ampoules

3278

Tocopherols in Edible Oils

5 x 1 mL

3280

Multivitamin/Multielement Tablets

30 tablets x 5 bottles

3282

Low-Calorie Cranberry Juice Cocktail

5 x 1.2 mL

3286

Organic Acids Calibration Solution

5 x 2 mL

3290

Dry Cat Food

5 pouches x 10 g each

3451

Low Temperature Seebeck Coefficient Standard

bar

3530

Iodized Table Salt (Iodide)

1 bottle x 200 g

3532

Calcium-Containing Solid Oral Dosage Form

5 x 10 g

3600

Absolute Intensity Calibration Standard for Small-Angle X-Ray Scattering

coupon

3667

Creatinine in Frozen Human Urine

1 x 10 mL

3668

Mercury, Perchlorate, and Iodide in Frozen Human Urine

Set (10) (5 each conc)

3669

Arsenic Species in Frozen Human Urine (Elevated Levels)

5 x 1.5mL

3671

Nicotine Metabolites in Human Urine (Frozen)

3 x 10 mL

3672

Organic Contaminants in Smokers' Urine (Frozen)

5 x 10 mL

3673

Organic Contaminants in Non-Smokers' Urine (Frozen)

5 x 10 mL

3950

Vitamin B6 in Frozen Human Serum

2 vials, 1 level each

4222C

Carbon-14 Radioactivity Standard for Liquid Scintillation Counting

5 mL

4226D

Nickel-63 Radioactivity Standard 

5 mL

4239

Strontium-90 Radioactivity Standard Solution

5 mL

4274

Holmium-166m Gamma-ray Emission Rate Standard 

5 mL

4288B

Technetium-99 Radioactivity Standard

5 mL

4320b

Curium-244 Radioactivity Standard

5 mL

4322C

Americium-241 Radioactivity Standard 

5 mL

4326a

Polonium-209 Radioactivity Standard

5 mL

4328C

Thorium-229 Radioactivity Standard Solution

5 mL

4330C

Plutonium-239 Radioactivity Standard

3 mL

4332E

Americium-243 Radioactivity Standard 

5 mL

4334I

Plutonium-242 Radioactivity Standard Solution

5 mL

4337

Lead-210 Radioactivity Standard 

5 mL

4339b

Radium-228 Radioactivity Solution

5 mL

4340B

Plutonium-241 Radioactivity Standard

5 mL

4341a

Neptunium-237 Radioactivity Standard

5 mL

4342A

Thorium-230 Radioactivity Standard 

5 mL

4350B

River Sediment Environmental Radioactivity Standard

85 g

4351

Human Lung Environmental Radioactivity Standard

45 g

4352

Human Liver Powder

45 g

4353A

Rocky Flats Soil Number 2

90 g

4354

Lake Sediment Powder

25 g

4356

Ashed Bone (Radioactivity)

15 g

4357

Ocean Sediment Powder

85 g

4358

Ocean Shellfish Radionuclide Standard

150 g

4359

Seaweed Radionuclide Standard

300 g

4361C

Hydrogen-3 Radioactivity Standard

500 mL

4915F

Cobalt-60 Radioactivity Standard Solution

5 mL

4919I

Strontium-90 Radioactivity Standard 

5 mL

4926E

Hydrogen-3 Radioactivity Standard

20 mL

4927g

Hydrogen-3 Radioactivity Standard

5 mL

4929F

Iron-55 Radioactivity Standard

5 mL

4943

Chlorine-36 Radioactivity Standard 

3 mL

4949d

Iodine-129 Radioactivity, Solution

5 mL

4966A

Radium-226 Radioactivity Standard 

5 mL

4967A

Radium-226 Radioactivity Standard Solution

5 mL

4990C

Oxalic Acid 

8 x 28 g

5001

Two-Dimensional Grid Photomask Standard

each

6000v

Crypoackaged 1V ACJVS Chip

each

6000x

Liquid Helium Cryoprobe for, NRC

each

6002a

Multi-Junction Thermal Converter - 600 ohms

each

6002b

Multi-Junction Thermal Converter - 1040 ohms

each

6003b

Portable Vacuum Standard 1 Pa to 700kPa (Commercial Mercury Manometer Replacement)

each

6003a

Portable Vacuum Standard

each

6005b

Polymerization Stress, Tensometer incl Light System

each

6006b

Micro-machined Apertures, Metal Coating 1 Side of Chip

each

6007

Optical Fiber Power Linearity System

each

8010

Sand for Sand Sieve Analysis

3 x 150 g

8011

Gold Nanoparticles, Nominal 10 nm Diameter

2 x 5 mL

8012

Gold Nanoparticles, Nominal 30 nm Diameter

2 x 5 mL

8013

Gold Nanoparticles, Nominal 60 nm Diameter

2 x 5 mL

8017

Polyvinylpyrrolidone Coated Silver Nanoparticles (Nominal Diameter 75 nm)

5 vials

8027

Silicon Nanoparticles (Nominal Diameter 2 nm)

5 x 1.0 mL

8091

Scanning Electron Microscope Sharpness Standard

each

8095

Si1-xGex Films on Si

2 wafers, 1 each level

8096

CMOS MEMS 5-in-1 Test Chip

1 computer chip

8097

MEMS 5-in-1 Test Chip

1 computer chip

8281

Single-Wall Carbon Nanotubes (Dispersed, Three Length-Resolved Populations)

4 x 2.5 mL

8321

Peptide Mixture of Proteomics

3 vials

8394

Tissue Engineering Reference Scaffolds for Cell Culture

24 scaffolds

8395

Tissue Engineering Reference Scaffold

1 scaffold

8396

Tissue Engineering Reference Scaffold

1 scaffold

8397

Tissue Engineering Reference Scaffold

1 scaffold

8398

Human DNA for Whole-Genome Variant Assessment (Daughter of Utah/European Ancestry)

1 vial

8420

Electrolytic Iron

0.64 D x 5.0

8441a

Wheat Hardness (kernel form)

set (50)

8444

Cotinine in Freeze-Dried Human Urine

set (4)

8445

Spray-Dried Whole Egg for Allergen Detection

5 g

8446

Perfluorinated Carboxylic Acids and Perfluorooctane Sulfonamide in Methanol

4 x 1.2 mL

8447

Perfluorinated Sulfonic Acids in Methanol

3 x 1.2 mL

8455

Pyrite Ore Bioleaching Substrate

100 g

8456

Ultra High Molecular Weight Polyethylene

each

8457

Ultra High Molecular Weight Polyethylene 0.5 cm Cubes

10 cubes x 0.5 cm

8480

Secondary Ferrite Number Standard - Low Range

10x12x20

8491

Sugarcane Bagasse Whole Biomass Feedstock

50 g

8494

Wheat Straw Whole Biomass Feedstock

50 g

8495

Northern Softwood

10 sheets

8496

Eucalyptus Hardwood

10 sheets

8505

Vanadium in Crude Oil

250 mL

8506a

Moisture in Transformer Oil

5x9.5mL

8509

Moisture in Methanol

set (5)

8510

Moisture in Methanol

set (5)

8529

IAEA-S-3 (Sulfur Isotopes in Silver Sulfide)

1 bottle x 0.5g

8536

GISP-Water

20 mL

8537

SLAP-Water Light Stable Isotopic Standard

20 mL

8539

NBS22 Oil (Carbon and Hydrogen Isotopes in Oil)

1 mL

8540

IAEA-CH-7 (Carbon and Hydrogen Isotopes in Polyethylene Foil)

3.5 g

8541

USGS24 Graphite
(Carbon Isotopes in Graphite)

0.8 g

8542

IAEA-CH-6 Sucrose 
(Carbon Isotopes in Sucrose)

1 g

8543

NBS 18 
(Carbon Isotopes in Carbonatite)

0.4 g

8546

NBS28 (Silicon and Oxygen Isotopes in Silica Sand)

0.4 g

8547

IAEA-N-1
(Nitrogen Isotopes in Ammonium Sulfate)

0.4 g

8548

IAEA-N-2 (Nitrogen Isotopes in Ammonium Sulfate)

0.4 g

8550

USGS25
(Nitrogen Isotopes in Ammonium Sulfate)

0.5 g

8551

USGS26
(Nitrogen Isotopes in Ammonium Sulfate)

0.5 g

8552

NSVEC
(Nitrogen Isotopes in Gaseous Nitrogen)

300 umol

8554

IAEA-S-1 (Sulfur Isotopes in Silver Sulfide)

0.5 g

8555

IAEA-S-2 (Sulfur Isotopes in Silver Sulfide)

0.5 g

8556

NBS123
(Sulfur Isotopes in Sphalerite)

1.5 g

8557

NBS127 
(Sulfur and Oxygen Isotopes in Barium Sulfate)

0.5 g

8558

USGS32 Nitrogen and Oxygen Isotopes in Nitrate

0.9 g

8562

CO2-Heavy, Paleomarine Origin (Carbon Dioxide)

set (2)

8563

CO2-Light, Petrochemical Origin (Carbon Dioxide)

set (2)

8564

CO2-Biogenic, Modern Biomass Origin (Carbon Dioxide)

set (2)

8568

USGS34 Nitrogen and Oxygen Isotopes in Nitrate

0.9 g

8569

USGS35 Nitrogen and Oxygen Isotopes in Nitrate

0.9 g

8573

L-glutamic Acid USGS40(Light Carbon and Nitrogen Isotopes in L-glutamic Acid)

1 g

8574

L-glutamic Acid USGS41 (Heavy Carbon and Nitrogen Isotopes in L-glutamic Acid)

0.5 g

8599

Henderson Molybdenite

10 g

8631a

Medium Test Dust (MTD)

20 g

8632

Ultra Fine Test Dust (UFTD)

20 g

8671

NISTmAb, Humanized IgG1κ Monoclonal Antibody

800 microliters

8680

Paint on Fiberboard, Nominal 1 to 2 mg/cm2 Lead

each

8704

Buffalo River Sediment

50 g

8785

Air Particulate Matter on Filter Media

3 filters

8786

Filter Blank for RM 8785

filter

8820

Scanning Electron Microscope Scale Calibration Artifact

each

8850

Zeolite Y

35-40 g

8851

Zeolite A

35-40 g

8852

Ammonium ZSM-5 Zeolite

35-40 g

8983

Silicon Nitride 

4.5 g

8988

Titanium Dioxide Powder - Particle Size Distribution

6 g

C2415a

Battery Lead (UNS 52770)

disk

C1252a

Phosphorus Deoxidized Copper - Cu IX

block

C1114

Gilding Metal C (block)

disk

C1115

Commercial Bronze A (block)

disk

C1117

Commercial Bronze C (block)

disk

C1137a

White Cast Iron

disk

C1145a

White Cast Iron

disk

C1151a

Stainless Steel 23Cr-7Ni

disk

c1152a

Stainless Steel 18Cr-11Ni

disk

C1153a

Stainless Steel 17Cr-9Ni

disk

C1154a

Stainless Steel 19Cr-13Ni

disk

C1173

Cast Steel 3

disk

C1248

Nickel-Copper Alloy

disk

C1251a

Phosphorus Deoxidized Copper - Cu VIII

block

C1253a

Phosphorus Deoxidized Copper - Cu X

block

C1285

LA Steel (A242) (mod.)

disk

C1290

High-Alloy White Cast Iron (HC-250+V)

disk

C1291

High-Alloy White Cast Iron (Ni-Hard, Type I)

disk

C1292

High-Alloy White Cast Iron I (Ni-Hard, Type IV)

disk

C1296

Stainless Steel

disk

C2400

Fe-Cr-Ni Alloy UNS J92180 (disk form)

disk

C2401

HA Steel (ACI-C-4M-Cu)

disk

C2402

Hasloy7C

disk

C2416

Bullet Lead

disk

C2417

Lead-Base Alloy

disk

C2418

High-Purity Lead

disk

C2424

Ductile Iron C

disk