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

Workplace air - Gases and vapours - Requirements for evaluation of measuring procedures using pumped samplers (ISO 22065:2020); German version EN ISO 22065:2020
Edition 2021-02

Milk and milk products - Determination of nitrate content - Method by enzymatic reduction and molecular-absorption spectrometry after Griess reaction (ISO 20541:2008); German version EN ISO 20541:2008
Edition 2008-12

Chemical disinfectants and antiseptics - Quantitative surface test for the evaluation of teat disinfectants used in the veterinary area - Test method and requirements (phase 2 step 2); German and English version prEN 17422:2024
Edition 2024-09

Cast iron pipes systems and their components for the evacuation of water from works - Characteristics and test methods; German version EN 877:2021
Edition 2022-10

Water quality - Determination of free chlorine and total chlorine - Part 2: Colorimetric method using N,N-dialkyl-1,4-phenylenediamine, for routine control purposes (ISO 7393-2:2017); German version EN ISO 7393-2:2018
Edition 2019-03

Solar energy - Collector components and materials - Part 3: Absorber surface durabillity (ISO 22975-3:2014); German version EN ISO 22975-3:2014
Edition 2014-10

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)
Edition 2014-07

WC pans and WC suites with integral trap; German version EN 997:2018
Edition 2018-12

Antimicrobial wound dressings - Requirements and test method; German and English version prEN 17854:2022
Edition 2022-07