UNE 55627:1983
SURFACE ACTIVE AGENTS. SODIUM AND POTASSIUM SILICATES TO BE USED AS RAW-MATERIALS IN DETERGENT FORMULATIONS. DETERMINATION OF TOTAL ALKALINITY. TITRIMETRIC METHOD
UNE 55620:1981
SURFACE ACTIVE AGENTS. SODIUM AND POTASSIUM SILICATES TO BE USED AS RAW-MATERIALS IN DETERGENTS FORMULATIONS. SAMPLES AND METHODS OF TEST. GENERAL
UNE 55626:1983
SURFACE ACTIVE AGENTS. SODIUM AND POTASSIUM SILICATES TO BE USED AS RAW-MATERIALS IN DETERGENT FORMULATIONS. DETERMINATION OF CARBONATES CONTENT. GAS-VOLUMETRIC METHOD
UNE 55625:1982
SURFACE ACTIVE AGENTS. SODIUM AND POTASSIUM SILICATES TO BE USED AS RAW MATERIALS IN DETERGENT FORMULATIONS. DETERMINATION OF SILICA CONTENT. GRAVIMETRIC METHOD BY INSOLUBILIZATION
UNE 55621:1981
SURFACE ACTIVE AGENTS. SODIUM AND POTASSIUM SILICATES TO BE USED AS RAW MATERIALS IN DETERGENT FORMULATIONS. PREPARATION OF SOLUTION OF PRODUCTS NOT EASILY SOLUBLE IN BOILING WATER AND DETERMINATION OF MATER INSOLUBLE IN WATER
UNE 55624:1982
SURFACE ACTIVE AGENTS. SODIUM AND POTASSIUM SILICATES TO BE USED AS RAW-MATERIALS IN DETERGENT FORMULATIONS. CALCULATION OF THE RATIO SIO2/NA2O OR SIO2/K2O