EN ISO 2870:1994 Surface Active Agents - Detergents - Determination of Anionic-Active Matter Hydrolyzable and Non-Hydrolyzable Under Acid Conditions (ISO 2870:1986)
2009EN ISO 2870:2009 Surface active agents - Detergents - Determination of anionicactive matter hydrolysable and non-hydrolysable under acid conditions
1994EN ISO 2870:1994 Surface Active Agents - Detergents - Determination of Anionic-Active Matter Hydrolyzable and Non-Hydrolyzable Under Acid Conditions (ISO 2870:1986)