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Tentative Method for the Determination of Carbonyl Sulfide (COS) in Unodorized Liquid Propane (Retired)

Retired GPA 2290

This method is designed to qualitatively check un­odorized liquid propane for the presence of carbonyl sulfide (COS) in the range of approximately 1-10 ppm. The regular copper strip test must be 1a for this COS test to be valid. (GPA Standard 2140)

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