CATEGORIES

    GB/T 23666-2009
    1-Naphthol-5-sulfonic acid （L acid ）

    GB/T 23666-2009 "1-Naphthol-5-sulfonic acid (L acid)" specifies the requirements, test methods, etc., for 1-naphthol-5-sulfonic acid (L acid) and is applicable to the quality control of this product. It covers indicators such as appearance, purity, moisture, insoluble matter, etc. The testing requires instruments such as analytical balances, ovens, titrators, and liquid chromatographs, providing technical support for quality control of L acid in the production of dyes and intermediates.

    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 G56 ICS 87.060.10;71.100.01
    Release Date 2009-04-24 00:00:00 Implementation Date 2009-12-01 00:00:00

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