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108.1 - Alcohols and Ethers [Oxygenates] in Gasoline

SRMs 2294 through 2297 were produced in response to the U.S. EPA Final Rule on Reformulated Gas aimed at reducing the volatile organic compounds emitted from gasoline. SRMs 2294 through 2297 are certified for oxygenate, sulfur, benzene, and toluene, with reference values for olefins and aromatics. Each SRM unit is issued as a set of two sealed 20 mL ampoules.

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
- Reference values are italicized
- 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


  Concentration (mass fraction, in %)
 
  SRM Description Unit of Issue     Benzene
Ethanol
Methanol
Methanol and t-Butanol
Oxygen
Oxygenate
Sulfur
Toulene
Detail Certificate MSDS 2294
Now Selling
Reformulated Gasoline (Nominal Mass Fraction 11% MTBE) 2 x 20 mL   1.03       2.01 10.97 0.00409 8.29
Detail Certificate MSDS 2295
Now Selling
Reformulated Gasoline (nominal 15% MTBE) 2 x 20 mL   0.99       2.66 14.54 0.0308 7.89
Detail Certificate MSDS 2296
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Reformulated Gasoline (Nominal Mass Fraction 13 % ETBE) 2 x 20 mL   1.0       2.06 13.02 0.0040 8.02
Detail Certificate MSDS 2297
Now Selling
Reformulated Gasoline (Nominal Mass Fraction 10% Ethanol) 2 x 20 mL   1.04 9.91     3.50   0.03037 8.27