CATEGORIES

    GB/T 21878-2008
    Water-soluble sulphur dyes - Determination of spectrostrength

    GB/T 21878-2008 "Water-Soluble Sulphur Dyes - Determination of Spectrophotometric Strength" specifies the method for determining the spectrophotometric strength of water-soluble sulphur dyes, applicable to such dye products. After dissolving the dye sample, a spectrophotometer is used to measure the absorbance at a specific wavelength, and the spectrophotometric strength is calculated by comparing it with a standard sample. The test requires instruments such as a spectrophotometer, volumetric flasks, a constant-temperature water bath, and an analytical balance, providing a standardized means for evaluating the coloring ability of sulphur 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 2008-05-15 00:00:00 Implementation Date 2008-11-01 00:00:00

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