This standard (Part II) prescribes the sodium chloride-sodium bicar-bonate method for estimation of carboxyl acid group content of cellulosic textile materials.
IS 1560 Pt.2-1974 history
1975IS 1560 Pt.2-1974 Method for estimating carboxylic acid groups in cellulosic textile materials Part Ⅱ Sodium chloride-sodium bicarbonate method