UNE 55581:1980 SURFACE ACTIVE AGENTS. SODIUM CARBONATE FOR USE AS RAW-MATERIAL IN DETERGENT FORMULATIONS. DETERMINATION OF TOTAL SOLUBLE ALKALINITY. TITRIMETRIC METHOD
1980UNE 55581:1980 SURFACE ACTIVE AGENTS. SODIUM CARBONATE FOR USE AS RAW-MATERIAL IN DETERGENT FORMULATIONS. DETERMINATION OF TOTAL SOLUBLE ALKALINITY. TITRIMETRIC METHOD