UNE 55611:1981 SURFACE ACTIVE AGENTS. SODIUM HYDROXIDE FOR USE AS RAW-MATERIAL IN DETERGENT FORMULATIONS. DETERMINATION OF CARBONATES CONTENT. GAS-VOLUMETRIC METHOD
1981UNE 55611:1981 SURFACE ACTIVE AGENTS. SODIUM HYDROXIDE FOR USE AS RAW-MATERIAL IN DETERGENT FORMULATIONS. DETERMINATION OF CARBONATES CONTENT. GAS-VOLUMETRIC METHOD