EN ISO 2871-2:1994 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)
2010EN 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) (ISO 2871-2:2010)
1994EN ISO 2871-2:1994 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)