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    GB/T 2389-2013
    Reactive dyes—Determination of relative content of hydrolised dye comparatively standard sample

    GB/T 2389-2013 "Reactive Dyes—Determination of Relative Content of Hydrolyzed Dye and Standard Sample" is applicable to the determination of the relative content of hydrolyzed dye and standard sample in reactive dyes, specifying the corresponding test method. The principle involves colorimetric comparison of aqueous solutions containing equal amounts of the test sample and the standard sample, combined with the results of dyeing or printing to calculate the relative content. The test requires instruments such as an analytical balance with a sensitivity of 0.0001g, a spectrophotometer, single-mark pipettes, and volumetric flasks. The absorbance of the prepared solution is first measured, followed by the determination of dyeing or printing strength according to the specified method, providing a basis for quality control of reactive 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 87.060.10;71.100.01
    Release Date 2013-12-31 00:00:00 Implementation Date 2014-09-01 00:00:00

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