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ISO 19619:2018

Surface active agents — Determination of free propylene oxide content in propylene oxide adduct surfactants — GC method
10. 1. 2018.

Опште информације

90.93     16. 1. 2024.

ISO

ISO/TC 91

Međunarodni standard

71.100.40  

engleski  

Kupovina

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Apstrakt

ISO 19619:2018 specifies an analytical procedure for the determination of free propylene oxide in surfactants which are synthesized from propylene oxide copolymers.
The method is appropriate for the qualitative and quantitative determination of propylene oxide groups in propylene oxide adducts, polyethers and polyglycol esters by headspace gas chromatography (HS-GC) with a flame ionization detector (FID) based on external procedure. Gas chromatography-mass spectrometry (GC-MS) is used for the confirmatory purposes.

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TRENUTNO

OBJAVLJEN
ISO 19619:2018
90.93 Odluka o potvrđivanju standarda
16. 1. 2024.