EN ISO 2871-1:1994 Surface Active Agents - Detergents - Determination of Cationic-Active Matter Content - Part 1: High - Molecular-Mass Cationic-Active Matter (ISO 2871-1:1988)
2010EN ISO 2871-1:2010 Surface active agents - Detergents - Determination of cationic-active matter content - Part 1: High-molecular-mass cationic-active matter
1994EN ISO 2871-1:1994 Surface Active Agents - Detergents - Determination of Cationic-Active Matter Content - Part 1: High - Molecular-Mass Cationic-Active Matter (ISO 2871-1:1988)