NF T73-320-2*NF EN ISO 2871-2:2010 Surface active agents - Detergents - Determination of cationic-active matter content - Part 2 : cationic-active matter of low molecular mass (between 200 and 500).
1994NF T73-321:1994 Surface active agents. Detergents. Determination of cationic-active matter content. Part 2 : cationic-active matter of low molecular mass (between 200 and 500).