Animal feeding stuffs - Determination of fluoride content after hydrochloric acid treatment by ion-sensitive electrode method (ISE); German version EN 16279:2012
Edition 2012-09

Characterization of waste - Preparation of waste samples for ecotoxicity tests; German version EN 14735:2021
Edition 2022-08

Water quality; determination of dissolved oxygen; iodometric method (ISO 5813:1983); german version EN 25813:1992
Edition 1993-01

Water quality - Sampling - Part 3: Preservation and handling of water samples (ISO 5667-3:2024); German version EN ISO 5667-3:2024
Edition 2024-09

Characterization of waste - Halogen and sulfur content - Oxygen combustion in closed systems and determination methods; German version EN 14582:2016
Edition 2016-12

Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch; German version EN 15558:2009
Edition 2009-06

Water quality - Determination of total cyanide and free cyanide using flow analysis (FIA and CFA) - Part 2: Method using continuous flow analysis (CFA) (ISO 14403-2:2012); German version EN ISO 14403-2:2012
Edition 2012-10

Water quality - Determination of sulfates - Method by continuous flow analysis (CFA) (ISO 22743:2006 + Cor. 1:2007)
Edition 2015-08

German standard methods for the examination of water, waste water and sludge - General information (group A) - Part 51: Calibration of analytical methods - Linear calibration (A 51)
Edition 2017-05

Soil quality - Estimation of abundance of selected microbial gene sequences by quantitative PCR from DNA directly extracted from soil (ISO/DIS 17601:2024); German and English version prEN ISO 17601:2024
Edition 2024-09