German standard methods for the examination of water, waste water and sludge - Parameters characterizing effects and substances (group H) - Part 59: Determination of adsorbable organically bound fluorine, chlorine, bromine and iodine (AOF, AOCl, AOBr, AOI) using combustion and subsequent ion chromatographic measurement (H 59)
Edition 2022-10

Water quality - Determination of adsorbable organically bound fluorine, chlorine, bromine and iodine (AOF, AOCl, AOBr, AOI) - Method using combustion and subsequent ion chromatographic measurement (ISO/DIS 18127:2024); German and English version prEN ISO 18127:2024
Edition 2024-08

Algae and algae products or intermediates - Methods of sampling and analysis - Determination of chlorophyll a content; German and English version prEN 18034:2023
Edition 2023-12

Industrial-process control valves - Part 2-3: Flow capacity - Test procedures (IEC 60534-2-3:2015); German version EN 60534-2-3:2016
Edition 2017-01

Open systems interconnection; internal organization of the network layer; identical with ISO 8648:1988
Edition 1990-07

Animal and vegetable fats and oils - Determination of fatty-acid-bound chloropropanediols (MCPDs) and glycidol by GC/MS - Part 3: Method using acid transesterification and measurement for 2-MCPD, 3-MCPD and glycidol (ISO/FDIS 18363-3:2024); German and English version prEN ISO 18363-3:2024
Edition 2024-05

Water quality - Determination of selected estrogens in whole water samples - Method using solid phase extraction (SPE) followed by liquid chromatography (LC) or gas chromatography (GC) coupled to mass spectrometry (MS) detection (ISO/DIS 13646:2024); German and English version prEN ISO 13646:2024
Edition 2024-02

Electronic Public Procurement - Catalogue - Part 2: Transactions; German and English version prEN 17015-2:2024
Edition 2024-04

Statistics - Vocabulary and symbols - Part 1: General statistical terms and terms used in probability (ISO 3534-1:2006); Text in German and English
Edition 2009-10