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DIN EN 17760
Inorganic fertilizers - Determination of particle size of ammonium nitrate fertilizers of high nitrogen content; German version FprEN 17760:2026
DIN EN 17761
Inorganic fertilizers - Determination of the chloride content in ammonium nitrate fertilizers of high nitrogen content; German version FprEN 17761:2026
DIN EN 17762
Inorganic fertilizers - Determination of the copper content in ammonium nitrate fertilizers of high nitrogen content; German version FprEN 17762:2026
DIN EN 17764
Inorganic Fertilizers - Determination of the concentration of free, chelated or complexed micronutrients and the chelating and/or complexing agents
DIN EN 17765
Organic and organo-mineral fertilizers - Determination of biuret content by high-performance liquid chromatography (HPLC); German version FprEN 17765:2026
DIN EN 17766
Organic and organo-mineral fertilizers - Extraction by water for subsequent determination of elements; German version FprEN 17766:2026
DIN EN 17767
Organo-mineral fertilizers — Extraction of phosphorus by formic acid; German version FprEN 17767:2026
DIN EN 17768
Organic and organo-mineral fertilizers - Digestion by aqua regia for subsequent determination of elements; German version FprEN 17768:2026
DIN EN 17769
Organic and organo-mineral fertilizers - Determination of the mercury content; German version FprEN 17769:2026
DIN EN 17770
Organic and organo-mineral fertilizers - Determination of the total content of specific elements by ICP-AES after digestion by aqua regia; German version FprEN 17770:2026
