German standard methods for the examination of water, waste water and sludge; test methods using water organisms (group L); determination of oxygen production by means of the light and dark bottle method under laboratory conditions (SPL) (L 14) (determination of oxygen production potential)
Edition 1983-09

German standard methods for the examination of water, waste water and sludge; cations (group E); determination of sodium by atomic absorption spectrometry (ASS) using an air-acetylene flame (E 14)
Edition 1992-07

German Standard Methods for the Analysis of Water, Waste Water and Sludge; Anions (Group D); Determination of Borate Ions (D 17)
Edition 1981-03

Animal feeding stuffs: Methods of sampling and analysis - Determination of vitamin A, E and D content - Method using solid phase extraction (SPE) clean-up and high-performance liquid chromatography (HPLC); German version EN 17547:2021
Edition 2022-01

Health and safety in welding and allied processes - Transparent welding curtains, strips and screens for arc welding processes (ISO 25980:2023); German version EN ISO 25980:2023
Edition 2023-08

Copper and copper alloys - Determination of silver content - Flame atomic absorption spectrometric method (FAAS); German version EN 15915:2010
Edition 2010-12

Foodstuffs - Determination of patulin in fruit juice and fruit based purée for infants and young children - HPLC method with liquid/liquid partition cleanup and solid phase extraction and UV detection; German version EN 15890:2010
Edition 2010-12

Fertilizers - Determination of boron in concentrations ≤ 10 % using spectrometry with azomethine-H; German version EN 17041:2018
Edition 2018-08

Fertilizers - Determination of molybdenum in concentrations ≤ 10 % using spectrometry of a complex with ammonium thiocyanate; German version EN 17043:2018
Edition 2018-08

Foodstuffs - Determination of aflatoxins in spices other than paprika by IAC clean-up and HPLC-FLD with post-column derivatization; German version EN 17424:2020
Edition 2021-03