NF T73-291*NF EN 14669:2005 Surface active agents - Determination of anionic surface active agents and soaps in detergents and cleansers - Potentiometric two-phase titration method.
2005NF T73-291*NF EN 14669:2005 Surface active agents - Determination of anionic surface active agents and soaps in detergents and cleansers - Potentiometric two-phase titration method.