Surface active agents - Determination of quaternary ammonium surface active agents in raw materials and formulated products - Potentiometric two-phase titration method; German version EN 14668:2005
Edition 2005-09

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

Chemical analysis of ferrous materials; determination of niobium in steels; spectrophotometric method; german version EN 10178:1989
Edition 1990-04

Detection of the animal species in milk and milk products with isoelectrical focusing
Edition 1995-11

Steels - Determination of niobium - Spectrophotometric method; German version EN 10178:2024
Edition 2024-10

Methods for the analysis of ingot tin - Determination of impurity element contents in tin grades 99,90 % and 99,85 % by atomic spectrometry; German version EN 13615:2001
Edition 2002-04

Methods for the analysis of pewter - Determination of alloying and impurity element contents by atomic spectrometry (includes AC:2000); German version EN 12938:1999 + AC:2000
Edition 2000-10

Influence of materials on water intended for human consumption - GC-MS identification of water leachable organic substances; German version EN 15768:2015
Edition 2015-05

Surface active agents - Sodium dodecyl sulfate - Analytical method; German version EN 14670:2005
Edition 2005-09

Surface active agents - Determination of the active matter content in alkyl dimethyl betaines; German version EN 13270:2001
Edition 2001-07