Fertilizers - Determination of urease inhibitor N-(n-butyl)thiophosphoric triamide (NBPT) using high-performance liquid chromatography (HPLC)
€58.00
Fertilizers and liming materials - Determination of carbon dioxide - Part 2: Method for liming materials
Fertilizers and liming materials - Determination of cadmium content
€121.00
Liming materials - Guide to the determination of the lime requirement
€89.00
Soil improvers and growing media - Determination of the aerobic biological activity - Part 2: Self heating test for compost
Soil improvers and growing media - Determination of electrical conductivity
Soil improvers and growing media - Determination of pH
Liming materials - Determination of size distribution by dry and wet sieving
Fertilizers - Determination of 3,4-dimethyl-1H-pyrazole phosphate (DMPP) - Method using high-performance liquid chromatography (HPLC)
Fertilizers - Comparison of the CEN/TC 260/WG 7 ring test results with tolerances given in the Regulation (EC) Nr 2003/2003 Annex II and conclusions
€142.00
Fertilizers - Determination of 3-methylpyrazole (MP) using high-performance liquid chromatography (HPLC)
Fertilizers - Determination of N-(1,2-dicarboxyethyl)-D,L-aspartic acid (Iminodisuccinic acid, IDHA) using high-performance liquid chromatography (HPLC)
Fertilizers - Determination of chelating agents - Determination of iron chelated by o,p-EDDHA by reversed phase HPLC
Fertilizers - Determination of chelating agents - Determination of iron chelated by EDDHSA by ion pair chromatography
Liming materials - Determination of the amount of residual finely ground carbonate in soils - Volumetric method