Water quality - Determination of microcystins - Method using solid phase extraction (SPE) and high performance liquid chromatography (HPLC) with ultraviolet (UV) detection (ISO 20179:2005)
Edition 2007-10

German standard methods for the examination of water, waste water and sludge - Sludge and sediments (group S) - Part 23: Determination of 15 polycyclic aromatic hydrocarbons (PAH) by high performance liquid chromatography (HPLC) and fluorescence detection (S 23)
Edition 2002-02

Liquefied petroleum gases. Detection of water in commercial propane. Cobalt bromide method
Edition 1970-05-01

Water quality - Guidance standard on assessing the hydromorphological features of lakes; German version EN 16039:2011
Edition 2011-12

Materials produced from end of life tyres - Steel wire - Determination of the non-metallic content; German and English version prEN 17308:2023
Edition 2023-10

Chemicals used for treatment of water intended for human consumption - Ammonia solution; German and English version prEN 12122:2023
Edition 2023-04

Chemicals used for treatment of water intended for human consumption - Modified starches; German version EN 1406:2017
Edition 2018-01

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

Chemicals used for treatment of water intended for human consumption - Sodium thiosulfate; German version EN 12125:2022
Edition 2022-10

Chemicals used for treatment of water intended for human consumption - Sulfuric acid; German version EN 899:2022
Edition 2022-10