Fertilizers. Extraction of phosphorus soluble in mineral acids
€165.00
Fertilizers. Extraction of phosphorus which is soluble in neutral ammonium citrate
Fertilizers. Extraction of water soluble phosphorus
Fertilizers. Determination of extracted phosphorus
€193.00
Fertilizers. Extraction of total calcium, total magnesium, total sodium and total sulfur in the forms of sulfates
Fertilizers. Extraction of water-soluble calcium, magnesium, sodium and sulfur (in the forms of sulfates)
Fertilizers. Extraction and determination of elemental sulfur
Fertilizers. Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
Fertilizers. Determination of chlorides in the absence of organic material
Fertilizers. Manganimetric determination of extracted calcium following precipitation in the form of oxalate
Fertilizers. Determination of magnesium by atomic absorption spectrometry
Fertilizers. Determination of magnesium by complexometry
Fertilizers. Determination of the sodium extracted by flame-emission spectrometry
Characterisation of sludges. Good practice for utilisation in agriculture
€269.00
Fertilizers. Determination of chelating agents. Determination of iron chelated by EDDHSA by ion pair chromatography