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      This standard specifies a general method for determining the relative strength of disperse dyestuff using the Spectrophotometric method, spectra-trophotometry. Applicable to disperse dyes in accordance with Beer's law. Absorbance at Maximum absorption wavelength is determined by spectrophotometer after the primary dyestuff and standard samples are dissolved with a specific solvent. According to the Lambert-Beer law, the relative strength of the primary dyestuff can be calculated to evaluate its dyeing performance and mass.

      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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