Total, Inorganic and Organic Chloride in Hydrocarbons by Potentiometric Titration

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    1. Scope

    This potentiometric method is for determining total and inorganic chloride, and calculating organic chloride in hydrocarbons. The method is applicable to samples with chloride concentrations of one mass-ppm or higher. For lower levels of chloride use UOP Method 395. Iodide and/or bromide, if present, are calculated as chloride. Samples that are polymerized by sodium biphenyl (such as styrene) cannot be analyzed by this method. Results for samples containing ammonia and/or amines may be biased high (see Note 1).

    Citing ASTM Standards
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