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    GB/T 5211.2-2003
    Determination of matter soluble in water of pigments--Hot extraction method

    GB/T 5211.2-2003 "Determination of Water-Soluble Substances in Pigments—Hot Extraction Method" specifies the hot extraction method for determining water-soluble substances in pigments, which is suitable for pigments that are difficult to extract using the cold extraction method. Under boiling conditions, distilled water is used for hot extraction, followed by filtration, evaporation, and weighing to complete the determination. The detection requires instruments such as analytical balances, heating devices, vacuum filtration equipment, and evaporation dishes. This method complements the cold extraction method, comprehensively covering the detection needs for water-soluble substances in pigments.

    This summary is not the original standard text and is for reference only. For accurate information, please obtain it through official channels.
    Status Active
    CCS G53 ICS 87.060.10
    Release Date 2003-07-03 00:00:00 Implementation Date 2004-01-01 00:00:00

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