Soil improvers and growing media - Part 19: Determination of nitrogen; modified Kjeldahl method (Proposal for a European Standard)
€48.79
Soil improvers and growing media - Part 20: Determination of nitrogen; Dumas method (Proposal for a European Standard)
Fertilizers and liming materials - Classification; German version prEN 13535:1999
Fertilizers and liming materials - Vocabulary - Part 3: Terms relating to liming materials; German version prEN 12944-3:1999
€63.27
Liming materials - Description and specifications; German version prEN 14069:2000
Solid fertilizers - Test sieving; Amendment A1; German version EN 1235:1995/prA1:2001
Fertilizers - Determination of urease inhibitor N-(n-butyl)thiophosphoric triamide (NBPT) using high-performance liquid chromatography (HPLC); German version prEN 15688:2007
€56.17
Liming materials - Determination of the breakdown of granulated calcium and calcium/magnesium carbonates under the influence of water; German version prEN 15704:2007
Carbonate liming materials - Determination of reactivity - Potentiometric titration method with hydrochloric acid; German version EN 13971:2008
€69.91
Liming materials - Determination of neutralizing value - Titrimetric methods; German version EN 12945:2008
Fertilizers - Determination of chelating agents - Determination of iron chelated by EDDHSA by ion pair chromatography; German version prEN 15451:2007
Fertilizers - Determination of chelating agents - Determination of iron chelated by o,p- EDDHA by reversed phase HPLC; German version prEN 15452:2007
Fertilizers - Determination of sulfates content using three different methods; German version CEN/TS 15749:2008
€84.58
Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods; German version CEN/TS 15750:2008
€77.20
Fertilizers and liming materials - Determination of water content - Guidelines and recommendations; German version prEN 14787:2003
