Fertilizers - Extraction of phosphorus soluble in 2 % citric acid; German version EN 15920:2011
Edition 2011-08

Ferronickel; determination of nickel content; dimethylglyoxime gravimetric method (ISO 6352:1985); german version EN 26352:1991
Edition 1992-02

German standard methods for the examination of water, waste water and sludge - Cations (group E) - Part 33: Determination of manganese by atomic absorption spectrometry (E 33)
Edition 2000-06

German standard methods for the examination of water, waste water and sludge - Cations (group E) - Part 6: Determination of lead by atomic absorption spectrometry (AAS) (E 6)
Edition 1998-07

Determination of Annatto content in cheese - Part 2: High performance liquid chromatographic method
Edition 2006-10

Paper and board - Determination of the cytotoxicity of aqueous extracts using a metabolically competent hepatoma cell line (HepG2); German version EN 16418:2014
Edition 2014-07

Ambient air quality - Standard method for the determination of mercury deposition; German version EN 15853:2010
Edition 2010-11

Tests for chemical properties of aggregates - Part 5: Determination of acid soluble chloride salts; German version EN 1744-5:2006
Edition 2006-12

German standard methods for the examination of water, waste water and sludge; summary indices of actions and substances (group H); water hardness (H 6)
Edition 1986-01

Chemicals used for treatment of water intended for human consumption - Iron-based coagulants - Analytical methods; German version EN 17215:2019
Edition 2019-06