Ethanol as a blending component for petrol - Determination of phosphorus content - Ammonium molybdate spectrometric method
Edition 2008-04-16

Animal feeding stuffs: Methods of sampling and analysis - Determination of calcium, sodium, phosphorus, magnesium, potassium, iron, zinc, copper, manganese, cobalt, molybdenum and lead by ICP-AES
Edition 2018-03-21

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
Edition 2018-03-21

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)
Edition 2010-04-28

Fertilizers - Extraction of phosphorus soluble in 2 % formic acid
Edition 2011-09-14

Fertilizers - Extraction of phosphorus soluble in 2 % citric acid
Edition 2011-09-14

Fertilizers - Extraction of soluble phosphorus according to Petermann at 65 °C
Edition 2011-09-14

Fertilizers - Extraction of soluble phosphorus according to Petermann at ambient temperature
Edition 2011-09-14

Fertilizers - Extraction of phosphorus soluble in Joulie's alcaline ammonium citrate
Edition 2011-09-14

Fertilizers - Extraction of phosphorus soluble in mineral acids
Edition 2012-03-07