Test methods of surfactants, catalog, light industry standard, Chinese standards
QB/T 1323 Determination of surface tension for detergent - Ring up liquid membrane method
QB/T 1324 Determination of water content for surfactants used in detergent - Karle Fischer double solution method
QB/T 1914 Determination of mean relative molecular weight of alkyltrimethylammonium halide and alkyldimethylbenzylammonium halide by GC
QB/T 2115 Determination of carbonate content in detergents
QB/T 2345 Determination of mean relative molecular weight of alkyldimethylbetain by GC
QB/T 2739 Preparations of standard volumetric solutions of general test methods for washing products
QB/T 3777 Analytical methods for hard cheese
QB/T 3779 Analytical methods for semifinished lactose
QB/T 3781 Casein for industrial uses
QB/T 4969 Surface active agents -- Determination of cationic surfactant in raw materials and formulated products -- Potentiometric titration method
QB/T 4970 Surface active agents -- Determination of anionic surfactant in raw materials and formulated products -- Potentiometric titration method