NBN EN ISO 2871-2:1995 Surface active agents - Detergents - Determination of cationic-active matter content - Part 2 : Cationic- active matter of low molecular mass (between 200 and 500) (ISO 2871-2:1990)
1995NBN EN ISO 2871-2:1995 Surface active agents - Detergents - Determination of cationic-active matter content - Part 2 : Cationic- active matter of low molecular mass (between 200 and 500) (ISO 2871-2:1990)