Status : Published (Under review)

This standard was last reviewed and confirmed in 2021. Therefore this version remains current.
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Abstract

The principle of the method specified is dissolving a test portion in dimethylformamide and injecting a small volume of the solution into a gas chromatograph equipped with flame ionization detector to separate and detect the volatile components. The solvent contains a known amount of propionitrile or acetonitrile as an internal standard for quantitative evaluation. With this method, a lower detection limit of the order of 3 ppm of acrylonitrile in the copolymer may be expected. To obtain a lower detection limit of the order of 0,3 ppm to 0,4 ppm, an alternative method is specified in annex A.

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General information

  • Status
     : Published
    Publication date
     : 1994-08
    Stage
    : International Standard confirmed [90.93]
  • Edition
     : 2
    Number of pages
     : 8
  • Technical Committee :
    ISO/TC 61/SC 9
    ICS :
    83.080.20 
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