Ambient air - Standard method for measurement of NO₃⁻, SO₄²⁻, Cl⁻, NH₄⁺, Na⁺, K⁺, Mg²⁺, Ca²⁺ in PM2,5 as deposited on filters; German version EN 16913:2017
Edition 2017-09

Standardization - Part 2: Presentation of documents (ISO/IEC Directives - Part 2:2021, modified); German and English version CEN-CENELEC Internal Regulations - Part 3:2022
Edition 2022-12

German standard methods for the determination of water, waste water and sludge - Jointly determinable substances (group F) - Part 3: Determination of polychlorinated biphenyls (F 3)
Edition 1998-07

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

Simple unfired pressure vessels designed to contain air or nitrogen - Part 3: Steel pressure vessels designed for air braking equipment and auxiliary pneumatic equipment for railway rolling stock; German and English version prEN 286-3:2019
Edition 2019-11

Plastics piping systems for the supply of gaseous fuels - Unplasticized polyamide (PA-U) piping systems with fusion jointing and mechanical jointing - Part 3: Fittings (ISO/DIS 16486-3:2024); German and English version prEN ISO 16486-3:2024
Edition 2024-05

Petroleum and related products - Determination of the ageing behaviour of inhibited oils and fluids using the TOST test - Part 3: Anhydrous procedure for synthetic hydraulic fluids (ISO 4263-3:2015); German version EN ISO 4263-3:2015
Edition 2016-05

Vitreous and porcelain enamels - Determination of resistance to chemical corrosion - Part 3: Determination of resistance to chemical corrosion by alkaline liquids using a hexagonal vessel or a tetragonal glass bottle (ISO 28706-3:2017); German version EN ISO 28706-3:2018
Edition 2018-04

Plastics piping systems for the supply of gaseous fuels - Unplasticized polyamide (PA-U) piping systems with fusion jointing and mechanical jointing - Part 3: Fittings (ISO 16486-3:2020); German version EN ISO 16486-3:2020
Edition 2021-02

Pipe classes for process plants - Part 11: Technical delivery conditions for pipe components of austenitic stainless steels of material group 8.1
Edition 2017-04