This standard specifies the method for the determination of the shade and strength of acid complex dyes. This standard applies to the determination of the shade and intensity of acid complex dyes.
GB/T 2379-2003 history
2020GB/T 2379-2020 Acid complex dyes—Determination of shade and relative strength
2013GB/T 2379-2013 Acid complex dyes.Determination of dyeing shade and relative strength
2003GB/T 2379-2003 Acid complex dyes-Determination of dyeing shade and relative strength