Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda; German version EN 15476:2009
Edition 2009-04

Fertilizers - Determination of ammoniacal nitrogen; German version EN 15475:2009
Edition 2009-04

Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd; German version EN 15559:2009
Edition 2009-06

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

Fertilizers - Determination of the complexed micro-nutrient content and of the complexed fraction of micro-nutrients; German version EN 15962:2011
Edition 2011-04

Fertilizers - Determination of boron in concentrations > 10 % using acidimetric titration; German version EN 17042:2018
Edition 2018-08

Fertilizers - Determination of chelating agents - Determination of iron chelated by EDDHSA by ion pair chromatography; German version EN 15451:2008
Edition 2008-11

Liming materials - Determination of size distribution by dry and wet sieving; German version EN 12948:2010
Edition 2011-02

Fertilizers - Determination of magnesium by complexometry; German version EN 16198:2012
Edition 2013-01

Fertilizers - Determination of N-(n-Butyl)thiophosphoric acid triamide (NBPT) and N-(n-Propyl)thiophosphoric acid triamide (NPPT) - Method using high-performance liquid chromatography (HPLC); German version EN 16651:2015
Edition 2015-07