GB/T 1640-1979
Determination of the stability of solubilised reduced dyes (English Version)
- Standard No.
- GB/T 1640-1979
- Language
- Chinese, Available in English version
- Release Date
- 1979
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Status
- 2006-11
- Replace By
- GB/T 2392-2006
- Latest
- GB/T 2392-2014
- Scope
- This standard applies to the determination of the stability of soluble vat dyes. The measurement method is to seal the sample in an ampoule bottle, and after continuous baking at 70°C for 8 to 72 hours, compare the dyed or printed sample with the same sample that has not been baked to identify the decline in color and intensity. degree, to represent its stability.
GB/T 1640-1979 history
- 2014 GB/T 2392-2014 Dyes.Determination of thermo stability
- 2006 GB/T 2392-2006 Dyes.Determination of thermo stability
- 1979 GB/T 1640-1979 Determination of the stability of solubilised reduced dyes
GB/T 1640-1979 Determination of the stability of solubilised reduced dyes was changed to GB/T 2392-2006 Dyes.Determination of thermo stability.
