Surface active agents - Determination of the 1,4-dioxane content in alkyl-ethoxy-sulfate products by GLC/head-space-procedure; German version EN 12974:1999
Edition 2000-02

Surface active agents - Foaming power and antifoaming power - Turbine stirring method; German version EN 13996:2002
Edition 2003-01

Surface active agents - Determination of primary, secondary and tertiary amino nitrogen - Potentiometric titration; German version EN 13717:2002
Edition 2003-03

Surface active agents - Alkoxylated derivatives - Determination of hydroxyl value; N-methyl imidazole method; German version EN 13926:2003
Edition 2003-06

Surface active agents - Determination of pH value of solutions or dispersions; German version EN 1262:2003
Edition 2004-01

Surface active agents - Determination of inorganic sulphate content in anionic surface active agents - Potentiometric lead selective electrode titration method; German version EN 14880:2005
Edition 2005-11

Surface active agents - Determination of N-(3-dimethylaminopropyl)-alkylamide content in alkylamidopropylbetaines - Gas chromatographic method; German version EN 14881:2005
Edition 2005-11

Surface active agents - Determination of ethylene oxide and propylene oxide groups in ethylene oxide and propylene oxide adducts; German version EN 13268:2001
Edition 2001-07

Surface active agents - Determination of the contents of non-ionic substances in anionic surface active agents by high performance liquid chromatograph (HPLC); German version EN 13273:2001
Edition 2001-06

Surface active agents - Determination of water content - Karl Fischer method; German version EN 13267:2001
Edition 2001-06