ASTM-UOP1024:2018 Edition

$137.58

UOP1024-18 Determination of Trace Permanent Gases in Polymer Grade Ethylene & Propylene by Gas Chromatography-Pulsed Discharge Helium Ionization Detector

Published By	Publication Date	Number of Pages
ASTM	2018	10

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Description

ASTM UOP1024-18

Active Standard: Determination of Trace Permanent Gases in Polymer Grade Ethylene & Propylene by Gas Chromatography-Pulsed Discharge Helium Ionization Detector

ASTM UOP1024

Scope

This method is for determining trace permanent gases in high purity polymer grade ethylene and propylene gas or liquid using a gas chromatograph (GC) equipped with a pulsed discharge helium ionization detector (PDHID). The instrument is preconfigured and capable of determining typical impurities in polymer grade ethylene or propylene, however this method only describes the procedure for measuring carbon dioxide, carbon monoxide, hydrogen, nitrogen, and a composite of oxygen and argon. The instrument uses multiple columns and timed valve switching to eliminate the interference of propylene with the permanent gases. The lower limit of quantitation for nitrogen is 0.05 mol-ppm, carbon monoxide is 0.15 mol-ppm, carbon dioxide is 0.16 mol-ppm, oxygen is 0.25 mol-ppm, and hydrogen is 0.37 mol-ppm.

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Additional information

Standard Title	UOP1024-18 Determination of Trace Permanent Gases in Polymer Grade Ethylene & Propylene by Gas Chromatography-Pulsed Discharge Helium Ionization Detector
Published Code	ASTM
Publication Date	2018
Pages Count	10