UOP720 - 08

    Impurities in, and Purity of, High Purity p-Xylene by GC


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    1. Scope

    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.


    UOP720

    Citing ASTM Standards
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