Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods; German version EN 15750:2009
Edition 2010-02

Plant biostimulants - Determination of specific elements - Part 1: Digestion by aqua regia for subsequent determination of elements; German version CEN/TS 17701-1:2022
Edition 2022-06

Organic and organo-mineral fertilizers - Digestion by aqua regia for subsequent determination of elements; German version CEN/TS 17768:2022
Edition 2022-07

Plastics - Methods for the preparation of samples for biodegradation testing of plastic materials (ISO 10210:2012); German version EN ISO 10210:2017
Edition 2018-02

Inorganic fertilizers - Determination of nutrient polymers nitrogen in the presence of other nitrogenous forms; German and English version prEN 18103:2024
Edition 2024-07

Construction products: Assessment of release of dangerous substances - Content of inorganic substances - Methods for analysis of aqua regia digests; German version EN 17201:2023
Edition 2024-05

Plastics - Determination of the aerobic biodegradation of plastic materials exposed to seawater - Part 1: Method by analysis of evolved carbon dioxide (ISO 23977-1:2020); German version EN ISO 23977-1:2021
Edition 2022-01

Plastics - Determination of the aerobic biodegradation of plastic materials exposed to seawater - Part 2: Method by measuring the oxygen demand in closed respirometer (ISO 23977-2:2020); German version EN ISO 23977-2:2021
Edition 2022-01

Water quality - Determination of selected elements by inductively coupled plasma optical emission spectrometry (ICP-OES) (ISO 11885:2007); German version EN ISO 11885:2009
Edition 2009-09

Infant formula and adult nutritionals - Determination of total iodine - Inductively coupled plasma mass spectrometry (ICP-MS) (ISO 20647:2015); German version EN ISO 20647:2020
Edition 2020-08