German standard methods for the examination of water, waste water and sludge - Jointly determinable substances (group F) - Part 35: Determination of selected phenoxyalkyl carbonic acids and further acid plant treatment agents - Method using high performance liquid chromatography and mass spectrometric detection (HPLC-MS/MS) (F 35)
Edition 2010-10

Fertilizers - Determination of magnesium by complexometry; German version EN 16198:2012
Edition 2013-01

Liming materials - Determination of the calcium content and magnesium content - Complexometric method; German version EN 12946:2023
Edition 2023-08

Chemicals used for treatment of swimming pool water - Carbon dioxide; German version EN 15513:2014
Edition 2014-06

Chemicals used for treatment of water intended for human consumption - Carbon dioxide; German version EN 936:2013
Edition 2014-03

German standard methods for the examination of water, waste water and sludge; summary indices of actions and substances (group H); water hardness (H 6)
Edition 1986-01

Solid fertilizers and liming material - Determination of moisture content - Gravimetric method by drying at (105 ± 2) °C (ISO 8190:1992, modified); German version EN 12048:1996
Edition 1996-11

German standard methods for the examination of water, waste water and sludge - Parameters characterizing effects and substances (group H) - Part 7: Determination of acid and base-neutralizing capacities (H 7)
Edition 2005-12

Chemicals used for treatment of water intended for human consumption - Carbon dioxide; German and English version prEN 936:2021
Edition 2021-03

Aerospace series - Paints and varnishes - Test method for determination of phosphoric acid index; German and English version EN 4171:2011
Edition 2012-06