, Volume 13, Issue 1, pp 35-39

First online:

Gas chromatographic determination of impurities in nitromethane

  • M. JarosiewiczAffiliated withInstitute of Chemistry, University of Gdańsk
  • , J. SzychlinskiAffiliated withInstitute of Chemistry, University of Gdańsk

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Impurities in commercially available nitromethane have been determined by gas-liquid chromatography using six different column packings. Besides nitromethane, 1-nitropropane, 2-nitropropane, acetonitrile, methanol, small amounts of ethanol and acetaldehyde have been detected. The presence of formaldehyde, ethyl acetate and acetone is probable. Mixtures containing comparable amounts of the four nitroalkanes could be separated on all columns, but plots of logarithms of the retention times vs. carbon number or boiling points of the nitroalkanes or column temperatures were linear only in case of columns packed with Porapak R and Q.

Key Words

Gas chromatography Nitromethane Nitroalkanes