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107.5 - Organic Components in Air or Nitrogen

PLEASE NOTE: The tables are presented to facilitate comparisons among a family of materials to help customers select the best SRM for their needs. For specific values and uncertainties, the certificate is the only official source.


- Certified values are normal font
- Non-certified or reference values are italicized
- Non-certified values in parentheses are for information only


Detail - Detail    Certificate - Certificate    Report of Investigation - Report of Investigation    MSDS - MSDS    Data Files - Data Files    Questionaire - Questionnaire


  SRM Description Unit Size     Carrier Gas
Certified Component
Nominal Amount-of-substance fraction
Detail Certificate MSDS 1658a
Out of Stock
Methane in Air (Nominal Amount-of-Substance Fraction 1 µmol/mol) 6 L cylinder   Air CH4 1 µmol/mol
Detail Certificate MSDS 1659a
Out of Stock
Methane in Air (Nominal Amount-of-Substance Fraction 10 umol/mol) 6 L cylinder   Air CH4 10 µmol/mol
Detail Certificate MSDS 1665b
Now Selling
Propane in Air (Nominal Amount-of-Substance Fraction 3 µmol/mol) 6 L cylinder   Air C3H8 3 µmol/mol
Detail Certificate MSDS 1666b
Now Selling
Propane in Air (Nominal Amount-of-Substance Fraction 10 µmol/mol) 6 L cylinder   Air C3H8 10 µmol/mol
Detail Certificate MSDS 1667b
Out of Stock
Propane in Air (Nominal Amount-of-Substance Fraction 50 µmol/mol) 6 L cylinder   Air C3H8 50 µmol/mol
Detail Certificate MSDS 1668b*
Now Selling
Propane in Air (Nominal Amount-of-Substance Fraction 100 µmol/mol) 6 L cylinder   Air C3H8 100 µmol/mol
Detail Certificate MSDS 1669b
Now Selling
Propane in Air (Nominal Amount-of-Substance Fraction 500 µmol/mol) 6 L cylinder   Air C3H8 500 µmol/mol
Detail Certificate MSDS 2644a
Out of Stock
Propane in Nitrogen (Nominal Amount-of-Substance Fraction 250 µmol/mol) 6 L cylinder   Nitrogen C3H8 250 µmol/mol
Detail Certificate MSDS 2647a
Now Selling
Propane in Nitrogen (Nominal Amount-of-Substance Fraction 2500 µmol/mol) 6 L cylinder   Nitrogen C3H8 2500 µmol/mol
Detail Certificate MSDS 2750
Out of Stock
Methane in Air (Nominal Amount-of-Substance Fraction 50 µmol/mol) 6 L cylinder   Air CH4 50 µmol/mol
Detail Certificate MSDS 2751
Out of Stock
Methane in Air (Nominal Amount-of-Substance Fraction 100 µmol/mol) 6 L cylinder   Air CH4 100 µmol/mol
Detail Certificate MSDS 2764
Out of Stock
Propane in Air (Nominal Amount-of-Substance Fraction 0.25 µmol/mol) 6 L cylinder   Air C3H8 0.25 µmol/mol
Detail Certificate MSDS 2765
Out of Stock
Propane in Air (Nominal Amount-of-Substance Fraction 100 nmol/mol) 6 L cylinder   Air C3H8 100 nmol/mol
*These SRMs that are marked with * are available for NTRMs from commercial suppliers.