Animal feeding stuffs - Methods of sampling and analysis - Determination of calcium, sodium, phosphorus, magnesium, potassium, sulphur, iron, zinc, copper, manganese and cobalt after pressure digestion by ICP-AES; German version EN 15621:2017
Edition 2017-10

Ethanol as a blending component for petrol - Determination of phosphorus, copper and sulfur content - Direct method by inductively coupled plasma optical emission spectrometry (ICP OES); German version EN 15837:2009
Edition 2010-04

Fertilizers - Extraction of phosphorus soluble in 2 % formic acid; German version EN 15919:2011
Edition 2011-08

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

Fertilizers - Extraction of soluble phosphorus according to Petermann at 65 °C; German version EN 15921:2011
Edition 2011-08

Fertilizers - Extraction of soluble phosphorus according to Petermann at ambient temperature; German version EN 15922:2011
Edition 2011-08

Fertilizers - Extraction of phosphorus soluble in Joulie's alcaline ammonium citrate; German version EN 15923:2011
Edition 2011-08

Fertilizers - Extraction of phosphorus soluble in mineral acids; German version EN 15956:2011
Edition 2011-12

Fertilizers - Extraction of phosphorus which is soluble in neutral ammonium citrate; German version EN 15957:2011
Edition 2011-12

Fertilizers - Extraction of water soluble phosphorus; German version EN 15958:2011
Edition 2012-02