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    GB/T 27594-2011
    Disperse dyestuffs - Determination of relative strength of presscakes - Spectrophotometer method

    GB/T 27594-2011 "Disperse dyes—Determination of relative strength of original dyes—Spectrophotometric method" specifies the general method for determining the relative strength of original disperse dyes using spectrophotometry, applicable to disperse dyes that conform to the Lambert-Beer law. During testing, the sample and the standard sample are prepared into solutions of the same concentration, and the absorbance at specific wavelengths is measured using an ultraviolet-visible spectrophotometer. The relative strength is obtained by calculating the ratio. The method requires the use of instruments such as analytical balances, volumetric flasks, and pipettes, and must strictly adhere to the general conditions for dyeing determination, providing a technical basis for quality consistency control of disperse 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 2011-12-05 00:00:00 Implementation Date 2012-03-01 00:00:00

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