Solvents for paints and varnishes - Demineralized water for industrial applications - Specification and test methods (ISO 23321:2019); German version EN ISO 23321:2020
Edition 2021-02

German standard methods for the examination of water, waste water and sludge; parameters characterizing effects and substances (group H); determination of the chemical oxygen demand (COD), ranging from 5 to 50 mg/l (H 44)
Edition 1992-05

Water quality - Determination of the elimination and biodegradability of organic compounds in an aqueous medium - Activated sludge simulation test (ISO 11733:2004); German version EN ISO 11733:2004
Edition 2004-11

Foam producing solutions for leak detection on gas installations; German version EN 14291:2004
Edition 2005-02

Heat treatment of ferrous materials; heat treatment methods; case hardening
Edition 1989-04

Testing of ceramic raw and basic materials - Determination of sulfur in powders and granules of non-oxidic ceramic raw and basic materials - Part 2: Inductively coupled plasma optical emission spectrometry (ICP/OES) or ion chromatography after burning in an oxygen flow (ISO 14720-2:2013); German version EN ISO 14720-2:2013
Edition 2013-06

Preparation of steel substrates before application of paints and related products - Test methods for non-metallic blast-cleaning abrasives - Part 7: Determination of water-soluble chlorides (ISO 11127-7:2022); German version EN ISO 11127-7:2022
Edition 2023-02

Testing of solid fuels - Determination of chlorine content
Edition 2011-11

Water quality - Determination of total cyanide and free cyanide using flow analysis (FIA and CFA) - Part 1: Method using flow injection analysis (FIA); (ISO 14403-1:2012); German version EN ISO 14403-1:2012
Edition 2012-10

Vitreous and porcelain enamels - Low-voltage test for detecting and locating defects - Part 1: Swab test for non-profiled surfaces (ISO 8289-1:2020); German version EN ISO 8289-1:2020
Edition 2020-06