2203 Potassium Fluoride (Standard for Ion-Selective Electrodes) 125 g
2389a Amino Acids in 0.1 mol/L Hydrochloric Acid 5 x 1.2 mL
1004b Glass Beads - Particle Size Distribution 43 g
2620a Carbon Dioxide in Nitrogen (Nominal Amount-of-Substance Fraction 1 % mol/mol) cylinder
920 D-Mannitol 50 g
2573 Lead Paint Film (Red), Nominal 1.0 mg/cm2 1 +blank
2709a San Joaquin Soil 50 g
1648a Urban Particulate Matter 2 g
872 Phosphor Bronze (CDA 544) 100 g
971 Hormones in Frozen Human Serum 2 x 5 mL
3256 Green Tea-Containing Solid Oral Dosage Form 5 x 2.5 g
1689 Sulfur Dioxide in Nitrogen (Nominal Amount-of-Substance Fraction 5 μmol/mol) cylinder
1482a Polyethylene 0.3 g
1818a Chlorine in Lubricating base Oils set (5)
1696a Sulfur Dioxide in Nitrogen (Nominal Amount-of-Substance Fraction 3500 µmol/mol) cylinder
8010 Sand for Sand Sieve Analysis 3 x 150 g
2261 Chlorinated Pesticides in Hexane 5 x 1.2 mL
88b Dolomitic Limestone 75 g
2373 Genomic DNA Standards for HER2 Measurements 5 vials, 1 each level
613 Trace Elements in Glass 4 wafers
1567b Wheat Flour 50 g
8551 USGS26 0.5 g
3182 Chloride Anion Standard Solution 5 x 10 mL
2890 Water Saturated 1-Octanol 5 x 2 mL
1955 Homocysteine and Folate in Frozen Human Serum set (3) (1 each conc)
2267 Deuterated Levoglucosan in Ethyl Acetate 5 x 1.2 mL
2391c PCR-based DNA Profiling Standard 6 vials
1114 Gilding metal disk
3236 Soy Protein Isolate 5 x 10 g
2431 Titanium base Alloy 50 g
1635a Trace Elements in Coal, (Subbitumimous) 50 g
917c D-Glucose (Dextrose) 50 g
647 Titanium Alloy, Al-Mo-Sn-Zr 50 g
1493 Polychlorinated Biphenyl Congeners in 2,2,4-Trimethylpentane 5 x 1.2 mL
2541 Silicon Resistivity Standard - 0.01 ohm•cm Level each
8097 MEMS 5-in-1 Test Chip 1 computer chip
2433 Titanium-base Alloy 8Al-1Mo-1V 50 g
2899a Ethanol-Water Solution, (nominal 25 % by mass) 5 x 10 mL
654b Titanium Alloy, Al-V disk
682 High-Purity Zinc block
2453a Hydrogen In Titanium Alloy (Nominal Mass Fraction 125 mg/kg H) 10 g
1362b Coating Thickness Standard (Nonmagnetic Coating on Steel) set (5)
8543 NBS 18 0.4 g
688 Basalt Rock 60 g
1660a Methane and Propane in Air (Nominal: 4 µmol/mol Methane; 1 µmol/mol Propane) cylinder
2635a Carbon Monoxide in Nitrogen (Nominal Amount-of-Substance Fraction 25 µmol/mol) cylinder
4990C Oxalic Acid 8 x 28 g
692 Iron Ore, Labrador 100 g
3278 Tocopherols in Edible Oils 5 x 1 mL
2074 Sinusoidal Roughness Specimen each
2907 Trace Terrorist Explosives Simulants 2 bottles
4915F Cobalt-60 Radioactivity Standard Solution 5 mL
2586 Trace Elements in Soil Containing Lead From Paint (Nominal 500 mg/kg Lead) 55 g
8091 Scanning Electron Microscope Sharpness Standard each
2134 Arsenic Implant in Silicon Depth Profile Standard each
1116 Commercial Bronze Standard for Optical Emission and X-ray Spectroscopic Analysis disk
915b Calcium Carbonate 20 g
869b Column Selectivity Test Mixture for Liquid Chromatography 5 x 1.1 mL
1947 Lake Michigan Fish Tissue 5 x 8 grams
6003a Portable Vacuum Standard each
1669b Propane in Air (Nominal Amount-of-Substance Fraction 500 µmol/mol) cylinder
2942 Relative Intensity Correction Standard for Fluorescence Spectroscopy: Ultraviolet Emission each(12.5 x 12.5 x 45)mm
2685c Bituminous Coal (Nominal Mass Fraction 5 %Sulfur) 50 g
166c Stainless Steel, Low-Carbon (AISI 316L) 100 g
338 White Cast Iron (Carbon & Sulfur) 150 g
8492 Eastern Cottonwood Whole Biomass Feedstock 50 g
136f Potassium Dichromate, (Oxidimetric Standard) 60 g
49e Lead Secondary Freezing Point Standard 600 g
8398 Human DNA for Whole-Genome Variant Assessment (Daughter of Utah/European Ancestry) 1 vial
4352 Human Liver Powder 45 g
1665b Propane in Air (Nominal Amount-of-Substance Fraction 3 µmol/mol) cylinder
361 AISI 4340 Steel 150 g
694 Phosphate Rock, Western 90 g
1196 Standard Cigarette for Ignition Resistance Testing 2 cartons(400 cigarettes)
8456 Ultra High Molecular Weight Polyethylene each
84l Potassium Hydrogen Phthalate 60 g
3117a Europium (Eu) Standard Solution 5x10 mL
481 Gold-Silver Wires for Microprobe Analysis set (6)
8323 Yeast Protein Extract 3 x 0.2 mL
1976b Instrument Response Standard for X-Ray Powder Diffraction 1 disc
955c Toxic metals in Caprine Blood 4 vials
80a Soda-Lime Glass (Beads) 45 g
1830 Soda Lime Float Glass 3 platelets
663 Chromium-Vanadium Steel (Modified) 5 rods
3111a Cesium (Cs) Standard Solution 5 x 10 mL
2640a Carbon Monoxide in Nitrogen (Nominal Amount-of-Substance Fraction 2 % mol/mol) cylinder
89 Glass, Lead Barium 45 g
C2400 High-Alloy Steel ACI (17/4 PH) disk
132b Tool Steel (AISI M2) 150 g
675 Line Position, Mica (XRD) 7.5 g
3124a Indium (In) Standard Solution 5x10 mL
3140 Platinum (Pt) Standard Solution 5x10 mL
173c Titanium Alloy (6Al-4V) 50 g
2892 Ethanol-Water Solution (nom., 0.04 %) 5 x 1.2 mL
8631a Medium Test Dust (MTD) 20 g
1244 Inconel 600 disk
1738 Zinc-Aluminum Alloy disk
1663a Sulfur Dioxide in Nitrogen (Nominal Amount-of-Substance Fraction 1500 µmol/mol) cylinder
2572 Lead Paint Film for Portable X-Ray Fluorescence Analyzers - (Color Code: Orange) 1 +blank
2191a Sodium Bicarbonate 30 g
1171 Stainless Steel Cr 17-Ni 11-Ti 0.3 (AISI 321) disk
460 Beryllium-Copper Alloy 50 g
189c Potassium Tetroxalate Dihydrate pH Standard 65 g
2646a Propane in Nitrogen (Nominal Amount-of-Substance Fraction 1000 µmol/mol) cylinder
1486 Bone Meal 50 g
2631a Nitric Oxide in Nitrogen (Nominal Amount-of-Substance Fraction 3000 µmol/mol) cylinder
2294 Reformulated Gasoline (Nominal Mass Fraction 11% MTBE) 2 x 20 mL
1413 High Alumina Sand 75 g
3142a Praseodymium (Pr) Standard Solution 5x10 mL
2492 Bingham Paste Mixture for Rheological Measurements kit for two batches
8394 Tissue Engineering Reference Scaffolds for Cell Culture 24 scaffolds
78a Burnt Refractory (Al203-70%) 75 g
1228 LA Steel, 0.1% C disk
3101a Aluminum (Al) Standard Solution 5 x 10 mL
1575a Trace Elements in Pine Needles 50 g powder
8548 IAEA-N-2 (Nitrogen Isotopes in Ammonium Sulfate) 0.4 g
998 Angiotensin I (Human) 0.5 mg
2393 CAG Repeat Length Mutation in Huntington's Disease set (6)
924a Lithium Carbonate 30 g
1242 High Temperature Alloy L 605 disk
2717a Sulfur in Residual Fuel Oil (Nominal Mass Fraction 3%) 100 mL
480 Tungsten 20 % - Molybdenum Alloy Electron Microprobe Standard disk
2232 Indium DSC Calibration Standard - Temperature and Enthalpy of Fusion 1 g
2165 Low Alloy Steel 150 g
720 Sapphire Heat Capacity 15 g
1954 Organic Contaminants in Fortified Human Milk 5 x 5 mL
8988 Titanium Dioxide Powder - Particle Size Distribution 6 g
980 Isotopic Standard for Magnesium 0.25 g
999c Potassium Chloride Primary Standard (Dried at 500 °C) 30 g
2730 Hydrogen Sulfide in Nitrogen (Nominal Amount-of-Substance Fraction 5 µmol/mol) cylinder
1117 Commercial Bronze Standard for Optical Emission and X-ray Spectroscopic Analysis disk
885 Refined Copper 200 g
3255 Green Tea (Camellia sinensis) Extract 5 x 1 g
1898 Titanium Dioxide Nanomaterial 15 g
1124 Free Cutting Brass (UNS C36000) 1 disk
2950a Respirable Alpha Quartz on Filter Media (Nominal Mass of Alpha Quartz 5 µg-500 µg) 35 filters plus 35 blanks
25d Manganese Ore 60 g
2206 Controlled Pore Glass - BET Specific Surface Area (300 nm) 5 g
2894 Ethanol-Water Solution (nom., 0.1 %) 5 x 1.2 mL
1295 Stainless Steel (SAE 405) disk
3155 Tantalum (Ta) Standard Solution 50 mL
2811 Rockwell C Hardness - Mid Range each
2798a Vickers Microhardness of Nickel each
3126a Iron (Fe) Standard Solution 5 x 10 mL
2692c Bituminous Coal (Sulfur, Mercury and Chlorine) 50 g
2580 Powdered Paint Nominal 4% Lead 30 g
1643f Trace Elements in Water 250 mL
2895 Ethanol-Water Solution (nom., 0.2 %) 5 x 1.2 mL
8680 Paint on Fiberboard, Nominal 1 to 2 mg/cm2 Lead each
2214 Isooctane Liquid Density 4x5 mL
2695 Fluoride in Vegetation 2 x 25 g (1 ea conc)
1772 Tool Steel (S-7) disk
3150 Silicon (Si) Standard Solution 50 mL
1457 Superconducting Critical Current - Nb Ti Wire each
1018b Glass (Particle Size) 87 g
6000n Cryopackaged 2V PJVS Chip each
2905 Trace Terrorist Explosives Simulants 4 bottles x 1 g each
2637a Carbon Monoxide in Nitrogen (Nominal Amount-of-Substance Fraction 2500 µmol/mol) cylinder
1965 Microsphere Slide (10-µm Polystyrene Spheres) slide
927e Bovine Serum Albumin (7%, solution) 10 x 2.2mL
2898a Ethanol Water Solution, (Nominal Mass Fraction 6 %) 5 x 10 mL
1749 Gold versus Platinum Thermocouple Certified Thermometer each
630 Zinc-base F block
1906 Nickel Microhardness Test Block (Knoop) each
2975 Diesel Particulate Matter 1 g
12h Basic Open-Hearth Steel, 0.4% Carbon 150 g
4351 Human Lung Environmental Radioactivity Standard 45 g
1881a Portland Cement 4 vials x 5g
8536 GISP-Water 20 mL
2374 DNA Sequence Library for External RNA Controls 96 tubes
3251 Serenoa repens Extract 5 x 1 mL
679 Brick Clay 75 g
2941 Relative Intensity Correction Standard for Fluorescence Spectroscopy: Green Emission each(12.5 x 12.5 x 45)mm
5m Cast Iron 150 g
2298 Sulfur in Gasoline (High-Octane) 5x20 mL
1668b Propane in Air (Nominal Amount-of-Substance Fraction 100 µmol/mol) cylinder
3246 Ginkgo biloba (Leaves) 5 X 3 g
1619b Sulfur in Residual Fuel Oil (0.7%) 100 mL
(Carbon Isotopes in Sucrose)
183 Lithium Ore (Lepidolite) 45 g
978a Assay-Isotopic Standard for Silver 0.25 g
3109a Calcium (Ca) Standard Solution 5 x 10 mL
2087 Dimensional Standard for Medical Computed Tomography each
1727 Anode Tin block
2454 Hydrogen In Titanium Alloy 10 g
3148a Scandium (Sc) Standard Solution 5x10 mL
423 Molybdenum Oxide Concentrate 1 pouch x 60 g
1249 Ni-Cr-Fe-Nb-Mo Alloy UNS N077178 (disk form) disk
728 Intermediate-Purity Zinc 450 g
1d Limestone, Argillaceous 70 g
C1137a White Cast Iron disk
2776 Furnace Coke 50 g
731L1 Borosilicate Glass - Thermal Expansion 5 cm
36b Chromium-Molybdenum Steel 150 g
4332E Americium-243 Radioactivity Standard 5 mL
1721 Southern Oceanic Air cylinder
2737 Nitric Oxide in Nitrogen (Nominal Amount-of-Substance Fraction 500 nmol/mol) cylinder
1543 GC/MS System Performance 4 x 1 mL
731L3 Borosilicate Glass - Thermal Expansion 15 cm
1508a Benzoylecgonine (Cocaine metabolite) in Freeze-dried Urine set (4)
1225 LA Steel (AISI 4130) disk
1010a Microcopy Resolution Test Charts set (5)
2710a Montana I Soil 50 g
8550 USGS25 0.5 g
2764 Propane in Air (Nominal Amount-of-Substance Fraction 0.25 µmol/mol) cylinder
2943 Relative Intensity Correction Standard for Fluorescence Spectroscopy: Blue Emission each(12.5 x 12.5 x 45)mm
2751 Methane in Air (Nominal Amount-of-Substance Fraction 100 µmol/mol) cylinder
1765 Low Alloy Steel disk
1078b Tris(1-phenyl-1,3-butanediono)chromium(III) 5 g
3181 Sulfate Anion Standard Solution 5x10 mL
152a Basic Open-Hearth Steel 0.5% Carbon (Tin Bearing) 150 g
612 Trace Elements in Glass 4 wafers
2181 HEPES 60 g
1680b Carbon Monoxide in Nitrogen (Nominal Amount-of-Substance Fraction 500 µmol/mol) cylinder
2218 Miniaturized Hi Energy Charpy, V Notch KLST Impact Specimen set
8011 Gold Nanoparticles, Nominal 10 nm Diameter 2 x 5 mL
1128 Titanium -base Alloy (15V-3Al-3Cr-3Sn) disk
2159 LA Steel, Carbon & Sulfur only 200 g
45d Copper Secondary Freezing Point 450 g
1453 Thermal Conductivity - Expanded Polystyrene Board each
4328C Thorium-229 Radioactivity Standard Solution 5 mL
8529 IAEA-S-3 (Sulfur Isotopes in Silver Sulfide) 1 bottle x 0.5g
1596 Dinitropyrene Isomers and 1-Nitropyrene in Methylene Chloride 5 x 1.3 mL
982 Equal-Atom Lead Isotopic Standard 1 g wire
3135a Neodymium (Nd) Standard Solution 5x10 mL
867 Ni-Fe-Cr Alloy UNS N08825 (chip form) 100 g
C2424 Ductile Iron C disk
1952a Cholesterol in Human Serum set (6) (2 each conc)
3158 Thallium (Tl) Standard Solution 5 x 10 mL
1922 Liquid Refractive Index - Mineral Oil 30 mL
3248 Ginkgo-Containing Tablets 5 x 1 g
2461 Standard Cartridge Case 1 each
1958 Organic Contaminants in Fortified Human Serum (Freeze-Dried) 5 x 10 mL
8552 NSVEC 300 umol
2553 Optical Fiber Coating Diameter (Nominal Refractive Index 1.504) each
2740a Carbon Monoxide in Nitrogen (Nominal Amount-of-Substance Fraction 10 % mol/mol) cylinder
(Carbon Isotopes in Carbonatite)
3169 Zirconium (Zr) Standard Solution 50 mL
122i Cast Iron 150 g
1666b Propane in Air (Nominal Amount-of-Substance Fraction 10 µmol/mol) cylinder
2168 High Purity Iron 150 g
1595 Tripalmitin 2 g
1017b Glass (Particle Size) 70 g
C2415a Battery Lead (UNS 52770) disk
187e Sodium Tetraborate (Borax), pH 30 g
1991 Mix Coal Tar/Petroleum Extract in Methylene Chloride 5 x 1.2 mL
1831 Soda Lime Sheet Glass 3 platelets
68c High-Carbon Ferromanganese 100 g
1720 Northern Continental Air cylinder
4967A Radium-226 Radioactivity Standard Solution 5 mL
2641a Carbon Monoxide in Nitrogen (Nominal Amount-of-Substance Fraction 4 % mol/mol) cylinder
2741a Carbon Monoxide in Nitrogen (Nominal Amount-of-Substance Fraction 13 % mol/mol) cylinder
1082 Cigarette Ignition Strength Standard 1 carton (200 cigarettes)
2384 Baking Chocolate 5 X 91 g
870 Column Performance Test Mixture of Liquid Chromatography 5 x 1.1 mL
2216 Miniaturized Low Energy Charpy, V Notch KLST Impact Specimen set
3064 Endothall in Water 5 x 1.2 mL
1878b Respirable Alpha Quartz (Quantitative X-Ray Powder Diffraction Standard) 5 g
861 Nickel-based Superalloy 50 g
330a Copper Ore Mill Heads 1 bottle x 90 g
2392-I Mitochondrial DNA Sequencing (Human HL-60 DNA) each
3668 Mercury, Perchlorate, and Iodide in Frozen Human Urine Set (10) (5 each conc)
2270 Perdeuterated PAH-II Solution in Hexane/Toluene 5x1.2 mL
3105a Beryllium (Be) Standard Solution 5 x 10 mL
620 Soda Lime, Flat set (3)
1129 Solder (63Sn-37Pb) 200 g
774 Lead-Silica Glass for Dielectric Constant and ac Loss Characteristics block
1975 Diesel Particulate Extract 4x1.2 mL
1079b Tris(1-phenyl-1,3-butanediono)iron(III) 5 g
1358b Coating Thickness Standard, (Nonmagnetic Coating on Steel) set (5)
6007 Optical Fiber Linearity, System each
186g pH Standards, (set of 186-I-g + 186-II-g) set
2035a Ultraviolet-Visible-Near-Infrared Wavelength/Wavenumber Transmission Standard each
457 Unalloyed Copper IV (solid) rod
1219 Cr16-Ni2 (AISI 431) disk
(Carbon Isotopes in Graphite)
660c Line Position and Line Shape Standard for Powder Diffraction (Lanthanum Hexaboride Powder) 6 g
2642a Carbon Monoxide in Nitrogen (Nominal Amount-of-Substance Fraction 8 % mol/mol) cylinder
2585 Organic Contaminants in House Dust 10 g
1739 Zinc-Aluminum Alloy disk
2974a Organics in Freeze-Dried Mussel Tissue (Mytilus edulis) 5 g
94c Zinc-base Alloy (Die Casting) 150 g
93a Borosilicate Glass wafer
856a Aluminum Casting Alloy 380 30 g
1226 LA Steel disk
624 Lead-Silica Glass for dc Volume Resistivity 200 g
8017 Polyvinylpyrrolidone Coated Silver Nanoparticles (Nominal Diameter 75 nm) 5 vials
8281 Single-Wall Carbon Nanotubes (Dispersed, Three Length-Resolved Populations) 4 x 2.5 mL
972a Vitamin D metabolites in Frozen Human Serum 4 x 1 mL
2582 Powdered Paint Nominal 200mg/kg Lead 20 g
8558 USGS32 Nitrogen and Oxygen Isotopes in Nitrate 0.9 g
2829 Vickers Microhardness of Steel each
1982 Zirconia Thermal Spray Powder - Particle Size Distribution 10 g
139b Chromium-Nickel-Molybdenum Steel 150 g
2075 Sinusoidal Roughness Specimen each
8444 Cotinine in Freeze-Dried Human Urine set (4)
2576 Lead Paint Film for Portable X-Ray Fluorescence Analyzers-Nominal 5.6 mg/cm2 1 +blank
C2418 High-Purity Lead disk
3139a Phosphorus (P) Standard Solution 5x10 mL
2245 Relative Intensity Correction Standard for Raman Spectroscopy: 633 nm Excitation each
1896b Vickers Microhardness of Nickel each
349a Waspaloy 150 g
73c Stainless Steel, Cr (SAE 420) 150 g
611 Trace Elements in Glass 4 wafers
8494 Wheat Straw Whole Biomass Feedstock 50 g
1763a Low Alloy Steel disk
115a Copper-Nickel-Chromium Cast Iron 150 g
3123a Holmium (Ho) Standard Solution 5x10 mL
46h Portland Cement Fineness Std 10 vials x 5 g
8554 IAEA-S-1 (Sulfur Isotopes in Silver Sulfide) 0.5 g
3669 Arsenic Species in Frozen Human Urine (Elevated Levels) 5 x 1.5mL
4288B Technetium-99 Radioactivity Standard 5 mL
665 Electrolytic Iron 5 rods
2387 Peanut Butter 3 x 170 g
2451 Fine Carbon (Activated) - From Cyanide Ore Leaching 100 g
2670a Toxic Elements in Freeze-Dried Urine set (4) (2 each conc)
1359b Coating Thickness Standard (Nonmagnetic Coating on Steel) set (5)
1728 Tin Alloy (Sn-3Cu-0.5Ag) disk
2207 Controlled Pore Glass - BET Specific Surface Area (Nominal Pore Diameter 18 nm) 5 g
1741 Zinc-Aluminum Alloy disk
1544 Fatty Acids and Cholesterol in a Frozen Diet Composite 4x15 g
16f Basic Open- Hearth Steel, 1% carbon 150 g
2554 Optical Fiber Coating Diameter (Nominal Refractive Index 1.515) each
4354 Lake Sediment Powder 25 g
5001 Two-Dimensional Grid Photomask Standard each
293 Cr-Ni-Mo (AISI 8620) 150 g
1932 Fluorescein Solution 3 x 2 mL
1761a Low Alloy Steel disk