Inorganic fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates; German version EN 15561:2023
Edition 2023-10

Determination of boron (III) oxide in refractory products - Part 1: Determination of total boron (III) oxide in oxidic materials for ceramics, glass and glazes (ISO 21078-1:2008); German version EN ISO 21078-1:2008
Edition 2008-04

Water quality - Determination of the methylene blue active substances (MBAS) index - Method using continuous flow analysis (CFA) (ISO 16265:2009); German version EN ISO 16265:2012
Edition 2012-05

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

Foodstuffs - Determination of sucralose - High performance liquid chromatographic method; German version EN 16155:2012
Edition 2012-06

Ethanol as a blending component for petrol - Determination of phosphorus content - Ammonium molybdate spectrometric method; German version EN 15487:2007
Edition 2007-11

Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch; German version EN 15558:2009
Edition 2009-06

Fertilizers - Determination of dicyandiamide - Method using high-performance liquid chromatography (HPLC); German version EN 15360:2007
Edition 2007-08

Fertilizers - Determination of magnesium by atomic absorption spectrometry; German version EN 16197:2012
Edition 2013-01

Fertilizers - Determination of the sodium extracted by flame-emission spectrometry; German version EN 16199:2012
Edition 2013-01