Geotechnical investigation and testing - Laboratory testing of soil - Part 12: Determination of liquid and plastic limits (ISO 17892-12:2018 + Amd 1:2021 + Amd 2:2022); German version EN ISO 17892-12:2018 + A1:2021 + A2:2022
Edition 2022-08

Soil quality - Determination of selected organotin compounds - Gas-chromatographic method (ISO 23161:2018); German version EN ISO 23161:2018
Edition 2019-04

Steels - Determination of nitrogen (trace amounts) - Spectrophotometric method; German and English version prEN 10179:2023
Edition 2023-07

Cleanrooms and associated controlled environments - Part 5: Operations (ISO 14644-5:2004); German version EN ISO 14644-5:2004
Edition 2005-03

Investigations of the raw material in hard-coal-mining; determination of the particle-size-distribution >20 µm by sieve-analysis
Edition 1985-03

Geotechnical investigation and testing - Laboratory testing of soil - Part 4: Determination of particle size distribution (ISO 17892-4:2016); German version EN ISO 17892-4:2016
Edition 2017-04

Tests for chemical properties of aggregates - Part 1: Chemical analysis; German version EN 1744-1:2009+A1:2012
Edition 2013-03

Optical Emission Spectrometry (OES) - Part 2: Terms for flame and plasma systems
Edition 2001-12

Characterization of solids - Sampling of solid and semi-solid materials - Part 5: Guidance for sampling hot-spots of populations
Edition 2018-06

Building lime - Part 2: Test methods; German version EN 459-2:2021
Edition 2021-09