ISO 6378:1981
Butadiene for industrial use — Determination of hydrocarbon impurities — gas chromatographic method
Reference number
ISO 6378:1981
ISO 6378:1981
Edición 1
1981-10
1981-10
© ISO 2024
Retirada
Resumen
Covers a method based on the selection of a gas chromatography column allowing the separation of the impurities to be determined. A gaseous test portion is passed through this column and the peaks obtained are detected by flame ionization and compared with those derived from an external standard. Columns and operating conditions having been found suitable for such a test are indicated in Annex A while Annex B lists the absolute retention times with regard to the analysis of butadiene. Annex C includes a typical chromatogram from a Sebaconitrile column.
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