Milk - Determination of nitrogen content - Part 3: Block-digestion method (Semi-micro rapid routine method) (ISO 8968-3:2004); German version EN ISO 8968-3:2007
Edition 2007-09

Plastics - Determination of the ultimate anaerobic biodegradation under high-solids anaerobic-digestion conditions - Method by analysis of released biogas (ISO 15985:2014); German version EN ISO 15985:2017
Edition 2018-02

Water quality - Digestion for the determination of selected elements in water - Part 1: Aqua regia digestion (ISO 15587-1:2002); German version EN ISO 15587-1:2002
Edition 2002-07

Water quality - Digestion for the determination of elements in water - Part 2: Nitric acid digestion (ISO 15587-2:2002); German version EN ISO 15587-2:2002
Edition 2002-07

Foodstuffs - Determination of trace elements - Pressure digestion; German version EN 13805:2014
Edition 2014-12

Animal feeding stuffs - Determination of arsenic by hydride generation atomic absorption spectrometry (HGAAS) after microwave pressure digestion (digestion with 65 % nitric acid and 30 % hydrogen peroxide); German version EN 16206:2012
Edition 2012-05

Sludge, treated biowaste and soil - Digestion of nitric acid soluble fractions of elements; German version EN 16173:2012
Edition 2012-11

Animal feeding stuffs - Determination of selenium by hydride generation atomic absorption spectrometry (HGAAS) after microwave digestion (digestion with 65 % nitric acid and 30 % hydrogen peroxide); German version EN 16159:2012
Edition 2012-04

Construction products: Assessment of release of dangerous substances - Digestion by aqua regia for subsequent analysis of inorganic substances; German version EN 17196:2023
Edition 2024-05