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No. Products CAS No. Specifications
Price
优惠价 预计发货期
NIST-SRM1656 Thianthrene Combustion Calorimetric Standard
30 g 5,456 请询价 3-4周
NIST-SRM1657 Synthetic Refuse-Derived Fuel Combustion Calorimetric Standard
100 g 4,160 请询价 3-4周
NIST-SRM1658a Methane in Air (Nominal Amount-of-Substance Fraction 1 umol/mol)
cylinder 55,760 请询价 3-4周
NIST-SRM1659a Methane in Air (Nominal Amount-of-Substance Fraction 10 umol/mol)
cylinder 49,936 请询价 3-4周
NIST-SRM1660a Methane and Propane in Air (Nominal: 4 μmol/mol Methane; 1 μmol/mol Propane)
cylinder 50,624 请询价 3-4周
NIST-SRM1661a Sulfur Dioxide in Nitrogen (Nominal Amount-of-Substance Fraction 500 μmol/mol)
cylinder 59,056 请询价 3-4周
NIST-SRM1662a Sulfur Dioxide in Nitrogen (Nominal Amount-of-Substance Fraction 1000 μmol/mol)
cylinder 51,088 请询价 3-4周
NIST-SRM1663a Sulfur Dioxide in Nitrogen (Nominal Amount-of-Substance Fraction 1500 μmol/mol)
cylinder 71,824 请询价 3-4周
NIST-SRM1664a Sulfur Dioxide in Nitrogen (Nominal Amount-of-Substance Fraction 2500 μmol/mol)
cylinder 49,536 请询价 3-4周
NIST-SRM1665b Propane in Air (Nominal Amount-of-Substance Fraction 3 μmol/mol)
cylinder 63,184 请询价 3-4周
NIST-SRM1666b Propane in Air (Nominal Amount-of-Substance Fraction 10 μmol/mol)
cylinder 50,528 请询价 3-4周
NIST-SRM1668b Propane in Air (Nominal Amount-of-Substance Fraction 100 μmol/mol)
cylinder 46,240 请询价 3-4周
NIST-SRM1669b Propane in Air (Nominal Amount-of-Substance Fraction 500 μmol/mol)
cylinder 55,952 请询价 3-4周
NIST-SRM1674b Carbon Dioxide in Nitrogen (Nominal Amount-of-Substance Fraction 7 % mol/mol)
cylinder 49,328 请询价 3-4周
NIST-SRM1677c Carbon Monoxide in Nitrogen (Nominal Amount-of-Substance Fraction 10 μmol/mol)
cylinder 46,928 请询价 3-4周
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