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ASTM U 022 : 2018 Determination of Trace Carbonyl Sulfide and Hydrogen Sulfide in Polymer Grade Ethylene & Propylene by Gas Chromatography Mass Spectrometry
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Defines trace carbonyl sulfide and hydrogen sulfide in high purity polymer grade ethylene and propylene gas or liquid using a gas chromatograph equipped with a mass spectrometer run in selected ion monitoring mode.