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    GB/T 33054-2016
    Determination of content of sodium sulfide in sulphur dye products

    GB/T 33054-2016 "Determination of Sodium Sulfide Content in Sulfur Dye Products" is applicable to the determination of sodium sulfide content in various sulfur dye products, using the potentiometric titration method. The sample is accurately weighed on an analytical balance with a precision of one ten-thousandth, and titrated with a standard ferrous sulfate solution using a potentiometric titrator equipped with a glass composite electrode. The endpoint is determined by the potential jump, and the sodium sulfide content is calculated according to the formula, with the result rounded to two decimal places. This provides an accurate testing method for quality control of sulfur dyes.

    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 G55 ICS 71.100.01;87.060.10
    Release Date 2016-10-13 00:00:00 Implementation Date 2017-05-01 00:00:00

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