This standard was last reviewed and confirmed in 2020. Therefore this version remains current.
A specimen of the textile (textiles of all kinds and in all forms) between specified undyed cloths is rolled around a glass rod and treated with boiling sodium carbonate solution with and without the addition of a reduction inhibitor. The composite specimen is rinsed and dried. The change in colour of the specimen and the staining of the undyed cloths are assessed with the grey scales.
Status : PublishedPublication date : 1994-09
Edition : 4Number of pages : 3
Technical Committee:Tests for coloured textiles and colorants
Buy this standard