Prezentul Standard Interna?ional stabile?te metoda gravimetric? de dozare a silicei totale ?n toate tipurile de pulberi de sp?lare comerciale, except?nd pe cele ce con?in substan?e insolubile acide, altele dec?t silicea.
STAS SR ISO 8215:1995 history
1995STAS SR ISO 8215:1995 Surface active agents — Washing powders — Determination of total silica content — Gravimetric method