Water quality - Preparation and treatment of poorly water-soluble organic compounds for the subsequent evaluation of their biodegradability in an aqueous medium (ISO 10634:2018); German version EN ISO 10634:2018
Edition 2020-08

Plant biostimulants - Determination of specific elements - Part 1: Digestion by aqua regia for subsequent determination of elements; German and English version prEN 17701-1:2023
Edition 2023-04

Materials for the subsequent sealing of underground gas mains - Part 2: Materials for the subsequent sealing of joints in underground gas mains; safety requirements and testing
Edition 1999-12

Soil, treated biowaste, sludge and waste - Digestion with a hydrochloric (HCl), nitric (HNO₃) and tetrafluoroboric (HBF₄) or hydrofluoric (HF) acid mixture for subsequent determination of elements; German version EN 13656:2020
Edition 2021-07

Soil quality - Leaching procedures for subsequent chemical and ecotoxicological testing of soil and soil-like materials - Part 1: Batch test using a liquid to solid ratio of 2 l/kg dry matter (ISO 21268-1:2019); German version EN ISO 21268-1:2019
Edition 2020-09

Soil quality - Leaching procedures for subsequent chemical and ecotoxicological testing of soil and soil-like material - Part 2: Batch test using a liquid to solid ratio of 10 l/kg dry matter (ISO 21268-2:2019); German version EN ISO 21268-2:2019
Edition 2020-09

Soil quality - Leaching procedures for subsequent chemical and ecotoxicological testing of soil and soil-like materials - Part 3: Up-flow percolation test (ISO 21268-3:2019); German version EN ISO 21268-3:2019
Edition 2020-09

Soil quality - Leaching procedures for subsequent chemical and ecotoxicological testing of soil and soil-like materials - Part 4: Influence of pH on leaching with initial acid/base addition (ISO 21268-4:2019); German version EN ISO 21268-4:2019
Edition 2020-09

Water quality - Determination of adsorbable organically bound fluorine, chlorine, bromine and iodine (AOF, AOCl, AOBr, AOI) - Method using combustion and subsequent ion chromatographic measurement (ISO/DIS 18127:2024); German and English version prEN ISO 18127:2024
Edition 2024-08

Sampling equipments on milk collecting tankers - Part 1: Requirements, verification and subsequent verification
Edition 2023-11