Chemicals used for treatment of water intended for human consumption - Ammonium sulfate; German version EN 12123:2022
Edition 2022-10

Chemicals used for treatment of water intended for human consumption - Sodium sulfite; German version EN 12124:2022
Edition 2022-10

Animal feeding stuffs - Methods of sampling and analysis - Determination of calcium, sodium, phosphorus, magnesium, potassium, iron, zinc, copper, manganese, cobalt, molybdenum and lead by ICP-AES; German version EN 15510:2017
Edition 2017-10

Chemical analysis of ferrous materials; determination of nitrogen (trace amounts) in steels; spectrophotometric method; German version EN 10179:1989
Edition 1990-04

Thermometers; concepts
Edition 1990-11

Copper and copper alloys - Determination of cobalt content - FAAS method; German version EN 14941:2006
Edition 2006-09

Materials and articles in contact with foodstuffs - Plastics - Test methods for the determination of fatty contact; German version EN 14481:2003
Edition 2003-09

Foodstuffs - Determination of cyclamate - Method by high performance liquid chromatography; German version EN 12857:1999
Edition 1999-07

German standard methods for the examination of water, waste water and sludge; cations (group E); determination of potassium by atomic absorption spectrometry (AAS) using an air-acetylene flame (E 13)
Edition 1992-07

German standard methods for the examination of water, waste water and sludge - Anions (group D) - Part 33: Determination of iodide by spectrometry (D 33)
Edition 2001-02