Fertilizers - Determination of N-(1,2-dicarboxyethyl)-D,L-aspartic acid (Iminodisuccinic acid, IDHA) using high-performance liquid chromatography (HPLC)
€62.00
Liming materials - Determination of size distribution by dry and wet sieving
€58.00
Fertilizers - Extraction of phosphorus soluble in 2 % formic acid
€40.00
Fertilizers - Extraction of phosphorus soluble in 2 % citric acid
Fertilizers - Extraction of soluble phosphorus according to Petermann at 65 °C
€47.00
Fertilizers - Extraction of soluble phosphorus according to Petermann at ambient temperature
Fertilizers - Extraction of phosphorus soluble in Joulie's alcaline ammonium citrate
Fertilizers - Determination of 1H-1,2,4-triazole in urea and in fertilizers containing urea - Method using high-performance liquid chromatography (HPLC)
€54.00
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 N-(2-nitrophenyl)phosphoric triamide (2-NPT) in urea and fertilizers containing urea - Method 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
€50.00
Fertilizers - Determination of ammoniacal nitrogen
