Analysis of natural gas - Silicon content of biomethane - Part 1: Determination of total silicon by atomic emission spectroscopy (AES) (ISO 2613-1:2023); German version EN ISO 2613-1:2023
Edition 2023-11

Water quality - Determination of selected plant treatment agents - Method using high performance liquid chromatography with UV detection after solid-liquid extraction (ISO 11369:1997); German version EN ISO 11369:1997
Edition 1997-11

Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection (ISO 13395:1996); German version EN ISO 13395:1996
Edition 1996-12

Water quality - Determination of highly volatile halogenated hydrocarbons - Gas-chromatographic methods (ISO 10301:1997); German version EN ISO 10301:1997
Edition 1997-08

Zinc dust pigments for paints - Specifications and test methods (ISO 3549:2024); German version EN ISO 3549:2024
Edition 2024-05

Animal feeding stuffs: Methods of sampling and analysis - Determination of OCPs and PCBs by GC-MS; German version EN 15741:2020
Edition 2020-05

Method for analysis of allergens - Quantification of an extended list of 57 suspected allergens in ready to inject fragrance materials by gas chromatography mass spectrometry; German version EN 16274:2021
Edition 2021-11

Milk and milk products - Determination of nitrogen content - Part 1: Kjeldahl principle and crude protein calculation (ISO 8968-1:2014); German version EN ISO 8968-1:2014
Edition 2014-06

Chemical analysis of chrome-bearing refractory products and chrome-bearing raw materials (alternative to the X-ray fluorescence method) - Part 1: Apparatus, reagents, dissolution and determination of gravimetric silica (ISO 20565-1:2008); German version EN ISO 20565-1:2008
Edition 2009-06

Chemicals used for treatment of water intended for human consumption - Sodium hypochlorite; German version EN 901:2013
Edition 2013-12