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NIST-标准物质

NIST-标准物质

1416 Aluminosilicate Glass for Liquidus Temperature
141e Acetanilide
143d Cystine
1450e Thermal Conductivity – Fibrous Glass Board
1452 Fibrous Glass Blanket for High Precision Measurements
1453 Thermal Conductivity – Expanded Polystyrene Board
1459 Thermal Resistance – Fumed Silica Board
1473c Low Density Polyethylene Resin
1474b Polyethylene Resin
1475a Linear Polyethylene (Whole Polymer)
1476a Branched Polyethylene Resin
1478 Polystyrene (Narrow Molecular Weight Distribution)
1479 Polystyrene (Narrow Molecular Weight Distribution)
1482a Linear Polyethylene Narrow Molecular Mass Distribution (13 600 g/mol)
1483a Linear Polyethylene Narrow Molecular Mass Distribution (32 100 g/mol)
1484a Polyethylene, Linear
1486 Bone Meal
1488 Poly(methyl methacrylate) 29 K Narrow Molecular Weight Distribution
1491a Methyl-Substituted Polycyclic Aromatic Hydrocarbons in Toluene
1493 Polychlorinated Biphenyl Congeners in 2,2,4-Trimethylpentane
1494 Aliphatic Hydrocarbons in 2,2,4-Trimethylpentane
1496 Unpigmented Polyethylene Gas Pipe Resin
14g Carbon Steel – (AISI 1078) (chip form)
1507b 11-Nor-Delta-9-Tetrahydrocannabinol-9-Carboxylic Acid in Freeze-Dried Urine
1514 Thermal Analysis Purity Set
1515 Apple Leaves
152a Basic Open-Hearth Steel 0.5 % Carbon (Tin-Bearing) (chip form)
1543 GC/MS System Performance Standard
1546a Meat Homogenate
1547 Peach Leaves
1548b Typical Diet
1549a Whole Milk Powder
155 Chromium-Tungsten Steel (chip form)
1565 Mycotoxins in Corn
1566b Oyster Tissue
1567b Wheat Flour
1568c Rice Flour
1570a Trace Elements in Spinach Leaves
1573a Tomato Leaves
1575a Trace Elements in Pine Needles (Pinus taeda)
1577c Bovine Liver
1588c Organics in Fish Oil
158a Silicon Bronze (chip form)
1595a Tripalmitin
1598a Inorganic Constituents in Animal Serum
160b Stainless Steel, Cr 18-Ni 12-Mo 2 (AISI 316) (chip form)
1616b Sulfur in Kerosene (Low Level)
1617b Sulfur in Kerosene (High Level)
1619b Sulfur in Residual Fuel Oil (Nominal Mass Fraction 0.7 %)
1622e Sulfur in Residual Fuel Oil (Nominal Mass Fraction 2 %)
1623d Sulfur in Residual Fuel Oil (Nominal Mass Fraction 0.2 %)
163 Chromium Steel (granular form)
1632e Trace Elements in Coal (Bituminous)
1633c Trace Elements in Coal Fly Ash
1634c Trace Elements in Fuel Oil
1635a Trace Elements in Coal (Subbituminous)
1640a Trace Elements in Natural Water
1641e Mercury in Water
1641f Mercury in Water
1643f Trace Elements in Water
1646a Estuarine Sediment
1647f Priority Pollutant Polycyclic Aromatic Hydrocarbons in Acetonitrile
1648a Urban Particulate Matter
1649b Urban Dust
1650b Diesel Particulate Matter
1657 Synthetic Refuse-Derived Fuel Combustion Calorimetric Standard
1658a Methane in Air (Nominal Amount-of-Substance Fraction 1 µmol/mol)
1659a Methane in Air (Nominal Amount-of-Substance Fraction 10 µmol/mol)
165a Glass Sand
1661a Sulfur Dioxide in Nitrogen (Nominal Amount-of-Substance Fraction 500 µmol/mol)
1662a Sulfur Dioxide in Nitrogen (Nominal Amount-of-Substance Fraction 1000 µmol/mol)
1663a Sulfur Dioxide in Nitrogen (Nominal Amount-of-Substance Fraction 1500 µmol/mol)
1664a Sulfur Dioxide in Nitrogen (Nominal Amount-of-Substance Fraction 2500 µmol/mol)
1665b Propane in Air (Nominal Amount-of-Substance Fraction 3 µmol/mol)
1666b Propane in Air (Nominal Amount-of-Substance Fraction 10 µmol/mol)
1667b Propane in Air (Nominal Amount-of-Substance Fraction 50 µmol/mol)
1668b Propane in Air (Nominal Amount-of-Substance Fraction 100 µmol/mol)
1669b Propane in Air (Nominal Amount-of-Substance Fraction 500 µmol/mol)
166c Low-Carbon Stainless Steel (AISI 316L) (chip form)
1674b Carbon Dioxide in Nitrogen (Nominal Amount-of-Substance Fraction 7 % mol/mol)
1677c Carbon Monoxide in Nitrogen (Nominal Amount-of-Substance Fraction 10 µmol/mol)
1678c Carbon Monoxide in Nitrogen (Nominal Amount-of-Substance Fraction 50 µmol/mol)
1679c Carbon Monoxide in Nitrogen (Nominal Amount-of-Substance 100 µmol/mol)
1680b Carbon Monoxide in Nitrogen (Nominal Amount-of-Substance Fraction 500 µmol/mol)
1681b Carbon Monoxide in Nitrogen (Nominal Amount-of-Substance Fraction 1000 µmol/mol)
1683b Nitric Oxide in Nitrogen (Nominal Amount-of-Substance Fraction 50 µmol/mol)
1684b Nitric Oxide in Nitrogen (Nominal Amount-of-Substance Fraction 100 µmol/mol)
1685b Nitric Oxide in Nitrogen (Nominal Amount-of-Substance Fraction 250 µmol/mol)
1686b Nitric Oxide in Nitrogen (Nominal Amount-of-Substance Fraction 500 µmol/mol)
1687b Nitric Oxide in Nitrogen (Nominal Amount-of-Substance Fraction 1000 µmol/mol)
1689 Sulfur Dioxide in Nitrogen (Nominal Amount-of-Substance Fraction 5 µmol/mol)
1690 Polystyrene Spheres (Nominal Diameter 1 µm)
1691 Polystyrene Spheres (Nominal Diameter 0.3 µm)
1693a Sulfur Dioxide in Nitrogen (Nominal Amount-of-Substance Fraction 50 µmol/mol)
1694a Sulfur Dioxide in Nitrogen (Nominal Amount-of-Substance 100 µmol/mol)
1696a Sulfur Dioxide in Nitrogen (Nominal Amount-of-Substance Fraction 3500 µmol/mol)
16f Basic Open-Hearth Steel, 1 % Carbon (chip form)
1718 Nitrous Oxide in Air (Nominal Amount-of-Substance Fraction 1 µmol/mol)
1720 Northern Continental Air (Ambient Carbon Dioxide, Methane, Nitrous Oxide)
1721 Southern Oceanic Air (Ambient Carbon Dioxide, Methane, Nitrous Oxide)