Fertilizers - Extraction of phosphorus soluble in 2 % formic acid
€50.00
Liming materials - Determination of neutralizing value - Titrimetric methods
Carbonate liming materials - Determination of reactivity - Potentiometric titration method with hydrochloric acid
Soil improvers and growing media - Determination of physical properties - Dry bulk density, air volume, water volume, shrinkage value and total pore space
Fertilizers - Determination of chelating agents in fertilizers by chromatography - Part 2: Determination of Fe chelated by o,o-EDDHA and o,o-EDDHMA by ion pair chromatography
Fertilizers - Determination of chelating agents EDDHA and EDDHMA by ion pair chromatography - Comparison of non-standardized Lucena method with EN 13368-2:2001
€142.00
Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
Fertilizers - Spectrophotometric determination of biuret in urea
Fertilizers - Determination of cyanamide nitrogen
Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
Fertilizers - Determination of total nitrogen in urea
Fertilizers - Determination of the water-soluble potassium content
Fertilizers - Determination of sulfates content using three different methods
