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This method is for determining trace hydrocarbon impurities in high purity p-xylene. The lower limit of detection for any single component is 0.002 mass %. The method can also be used for determining the total purity of the p-xylene. Mixed xylene isomers and/or diethylbenzenes in other process streams should be determined using UOP Method 744, Aromatics in Hydrocarbons by Gas Chromatography.
ASTM UOP720-08, Impurities in, and Purity of, High Purity p-Xylene by GC, ASTM International, West Conshohocken, PA, 2008, www.astm.orgBack to Top