Anionic surface active agents; Determination of solubility in water
Edition 1982-12

Surface active agents; detergents; determination of anionic-active matter by manual or mechanical direct two-phase titration procedure
Edition 1989-10

Water quality - Determination of surfactants - Part 1: Determination of anionic surfactants by measurement of the methylene blue index (MBAS)
Edition 1996-12

Anionic and non-ionic surface active agents; Determination of the critical micellization concentration; Method by measuring surface tension with a plate, stirrup or ring
Edition 1979-06

Surface active agents; Detergents; Anionic-active matter stable to acid hydrolysis; Determination of trace amounts
Edition 1973-12

Surface active agents; sulfated ethoxylated alcohols and alkylphenols; determination of total active matter content
Edition 1989-10

Surface active agents - Detergents - Determination of anionic-active matter hydrolysable and non-hydrolysable under acid conditions (ISO 2870:2009); German version EN ISO 2870:2009
Edition 2009-07

Chemicals used for treatment of water intended for human consumption - Anionic and non-ionic polyacrylamides; German version EN 1407:2023
Edition 2023-12

Surface active agents - Determination of anionic surface active agents - Potentiometric two-phase titration method; German version EN 14480:2004
Edition 2004-11

Water quality; determination of anionic surfactants by measurement of the methylene blue index MBAS (ISO 7875-1:1984, modified); German version EN 903:1993
Edition 1994-01