This standard specifies a method for the determination of the purity of water-insoluble dyestuff using Liquid chromatography, LC. It is suitable for the purity detection of disperse dyes, water-insoluble fluorescent whitening agents and solvent dyestuff. The method first dissolves the dyestuff sample in an appropriate solvent, then separates the individual components in the sample by liquid chromatograph technique and quantifies it at the appropriate wavelength using Peak area normalization. This method helps to accurately assess the purity of water-insoluble dyestuff, ensuring that its mass and performance meet the requirements of the standard.
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 | 2023-03-17 00:00:00 | Implementation Date | 2023-10-01 00:00:00 |