Explosive atmospheres - Part 20-1: Material characteristics for gas and vapour classification - Test methods and data (ISO/IEC 80079-20-1:2017, including Cor 1:2018); German version EN ISO/IEC 80079-20-1:2019
Edition 2020-09

Water quality - Sampling - Part 3: Preservation and handling of water samples (ISO/DIS 5667-3:2023); German and English version prEN ISO 5667-3:2023
Edition 2023-06

Fertilizers - Determination of chelating agents in fertilizers by chromatography - Part 2: Determination of Fe chelated by [o,o] EDDHA, [o,o] EDDHMA and HBED, or the amount of chelating agents, by ion pair chromatography; German version EN 13368-2:2017
Edition 2018-03

Fertilizers - Determination of complexing agents in fertilizers - Identification of heptagluconic acid by chromatography; German version EN 16847:2016
Edition 2016-05

Fertilizers - Determination of chelating agents in fertilizers by chromatography - Part 3: Determination of [S,S]-EDDS by ion pair chromatography; German version EN 13368-3:2017
Edition 2018-07

Fertilizers - Determination of chelating agents - Determination of iron chelated by EDDHSA by ion pair chromatography; German version EN 15451:2008
Edition 2008-11

Milk and milk products - Determination of whey protein content and casein content in total protein - Derivative spectroscopic method
Edition 2011-07

Fertilizers - Treatment with a cation exchange resin for the determination of the chelated micro-nutrient content and of the chelated fraction of micro-nutrients; German version EN 13366:2001
Edition 2001-04

Fertilizers - Determination of chelating agents - Determination of iron chelated by o,p- EDDHA by reversed phase HPLC; German version EN 15452:2008
Edition 2008-11

Water quality - Determination of selected parameters by discrete analysis systems - Part 1: Ammonium, nitrate, nitrite, chloride, orthophosphate, sulfate and silicate with photometric detection (ISO 15923-1:2013); German and English version prEN ISO 15923-1:2024
Edition 2024-05