1 Prezentul standard se refer? la metoda de determinare a substan?elor insolubile ?n ap?, con?inute ?n s?pun.
2 Substan?ele insolubile ?n ap? pot fi: talc, caolin, substan?e mucilaginoase, gr?simi nesaponificate etc.
STAS 194/5-1969 history
1969STAS 194/5-1969 Soap. Determination of water-insoluble substances