Water quality - Determination of free chlorine and total chlorine - Part 1: Titrimetric method using N,N-diethyl-1,4-phenylenediamine (ISO 7393-1:1985); German version EN ISO 7393-1:2000
Edition 2000-04

Building construction machinery and equipment - Portable, hand-held, internal combustion engine-driven abrasive cutting machines - Part 1: Safety requirements for cut-off machines for centre-mounted rotating abrasive wheels (ISO 19432-1:2020); German version EN ISO 19432-1:2020
Edition 2020-09

Petroleum measurement systems - Calibration - Volumetric measures, proving tanks and field measures (including formulae for properties of liquids and materials) (ISO 8222:2020 + Amd 1:2022); German version EN ISO 8222:2020 + A1:2022
Edition 2022-04

Gas cylinders - High pressure cylinders for the on-board storage of natural gas as a fuel for automotive vehicles (ISO 11439:2013 + Amd 1:2021); German version EN ISO 11439:2013 + A1:2021
Edition 2022-03

Ophthalmic optics - Contact lenses - Part 4: Physicochemical properties of contact lens materials (ISO 18369-4:2017, Corrected version 2017-10-01); German version EN ISO 18369-4:2017
Edition 2018-04

Agricultural machinery - Safety - Part 1: General requirements (ISO 4254-1:2013 + Amd 1:2021); German version EN ISO 4254-1:2015 + A1:2021
Edition 2022-12

Plastics piping systems for the supply of gaseous fuels - Unplasticized polyamide (PA-U) piping systems with fusion jointing and mechanical jointing - Part 4: Valves (ISO 16486-4:2022); German version EN ISO 16486-4:2022
Edition 2022-06

Gas-fired endothermic engine driven heat pumps - Part 4: Test methods; German version EN 16905-4:2017
Edition 2017-09

Sustainable and traceable cocoa - Part 4: Requirements for certification schemes (ISO 34101-4:2019); German version EN ISO 34101-4:2019
Edition 2019-09

Gas-fired endothermic engine driven heat pumps - Part 4: Test methods; German and English version prEN 16905-4:2022
Edition 2022-08