Fertilizers - Determination of the fineness of grinding of soft natural phosphates
Fertilizers - Extraction of total sulfur present in various forms
Fertilizers - Extraction of water soluble sulfur where the sulfur is in various forms
Fertilizers - Determination of the fineness of grinding (dry procedure)
Fertilizers - Determination of N-(1,2-dicarboxyethyl)-D,L-aspartic acid (Iminodisuccinic acid, IDHA) using high-performance liquid chromatography (HPLC)
Fertilizers - Extraction of phosphorus soluble in mineral acids
Fertilizers - Extraction of phosphorus which is soluble in neutral ammonium citrate
Fertilizers - Extraction of water soluble phosphorus
Inorganic fertilizers - Determination of extracted phosphorus P2O5
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 form of sulfates
Fertilizers - Determination of the complexed micro-nutrient content and of the complexed fraction of micro-nutrients
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