Organic and organo-mineral fertilizers - Extraction by water for subsequent determination of elements
€37.00
Liming materials - Determination of product effect on soil pH - Soil incubation method
€142.00
Fertilizers - Determination of the complexed micro-nutrient content and of the complexed fraction of micro-nutrients
€89.00
Fertilizers - Determination of complexed micro-nutrient ions in fertilizers - Identification of lignosulfonates
Fertilizers - Determination of N-(2-nitrophenyl)phosphoric triamide (2-NPT) in urea and fertilizers containing urea - Method using high-performance liquid chromatography (HPLC)
€58.00
Fertilizers - Extraction of total calcium, total magnesium, total sodium and total sulfur in the forms of sulfates
Fertilizers - Extraction and determination of elemental sulfur
Fertilizers - Extraction of water soluble phosphorus
Organic and organo-mineral fertilizers - Determination of specific elements
Carbonate and silicate liming materials - Determination of reactivity - Potentiometric titration method with hydrochloric acid
Fertilizers - Determination of the fineness of grinding (dry procedure)
Fertilizers - Determination of molybdenum in concentrations = 10 % using spectrometry of a complex with ammonium thiocyanate
Fertilizers - Determination of boron in concentrations > 10 % using acidimetric titration
Fertilizers - Determination of cold water insoluble nitrogen and hot water insoluble nitrogen in solid urea formaldehyde and methylene urea slow-release fertilizers and determination of the solubility of nutrient polymers in phosphate buffer solution with a pH of 7,5 at 100 °C
Soil improvers and growing media - Determination of the aerobic biological activity - Part 1: Oxygen uptake rate (OUR)
