Fertilizers - Determination of N-(1,2-dicarboxyethyl)-D,L-aspartic acid (Iminodisuccinic acid, IDHA) using high-performance liquid chromatography (HPLC); German version EN 15950:2010
Edition 2010-12

Phenolic, amino and condensation resins - Determination of free-formaldehyde content (ISO 11402:2004); German version of EN ISO 11402:2005
Edition 2005-09

Plastics - Phenolic resins - Determination of hexamethylenetetramine content - Kjeldahl method, perchloric acid method and hydrochloric acid method (ISO 8988:2006); German version EN ISO 8988:2006
Edition 2006-11

Products used for treatment of water intended for human consumption - Inorganic supporting and filtering materials - Methods of test; German version EN 12902:2004
Edition 2005-02

Water analysis - Guidelines for the determination of total organic carbon (TOC) and dissolved organic carbon (DOC); German version EN 1484:1997
Edition 2019-04

Soil quality - Parameters for geochemical modelling of leaching and speciation of constituents in soils and materials - Part 5: Extraction of humic substances from aqueous samples (ISO 12782-5:2012); German version EN ISO 12782-5:2012
Edition 2012-09

Tobacco - Determination of the content of total alkaloids as nicotine - Continuous-flow analysis method (ISO 15152:2003 + Amd.1:2012 + Amd.2:2018)
Edition 2019-10

Water quality - Determination of sulfates - Method by continuous flow analysis (CFA) (ISO 22743:2006 + Cor. 1:2007)
Edition 2015-08

Soil quality - Effects of pollutants on insect larvae (Oxythyrea funesta) - Determination of acute toxicity (ISO 20963:2005); German version EN ISO 20963:2011
Edition 2011-09

Medical gloves - Determination of removable surface powder (ISO 21171:2006); German version EN ISO 21171:2006
Edition 2006-08