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Inorganic fertilizers. Determination of the copper content in ammonium nitrate fertilizers of high nitrogen content. Original standard PD CEN TS 17762-2022 in PDF full version. Additional info + preview on request

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Inorganic micronutrient fertilizers. Determination of the concentration of free, chelated or complexed micronutrients and the chelating and/or complexing agents present in compound inorganic micronutrient fertilizers. Original standard PD CEN TS 17764-2022 in PDF full version. Additional info + preview on request

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Organic and organo-mineral fertilizers. Determination of the biuret content by high-performance liquid chromatography (HPLC). Original standard PD CEN TS 17765-2022 in PDF full version. Additional info + preview on request

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Organic and organo-mineral fertilizers. Extraction by water for subsequent determination of elements. Original standard PD CEN TS 17766-2022 in PDF full version. Additional info + preview on request

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Organo-mineral fertilizers. Extraction of phosphorus by formic acid. Original standard PD CEN TS 17767-2022 in PDF full version. Additional info + preview on request

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Organic and organo-mineral fertilizers. Digestion by aqua regia for subsequent determination of elements. Original standard PD CEN TS 17768-2022 in PDF full version. Additional info + preview on request

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