vat dye displays no substantivity towards cellulose but with the help of suitable reducing agent and alkali convert the insoluble vat dye to its soluble leuco form results in change of colour

Vat dye displays no substantivity towards cellulose but with the help of suitable reducing agent and alkali convert the insoluble vat dye to its soluble leuco form results in change of colour – it is ture. vat dye displays no substantivity towards cellulose but with the help of suitable reducing Read more…