Organo-mineral fertilizers – Extraction of phosphorus, which is soluble in neutral ammonium citrate
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Organic, organo-mineral and inorganic fertilizers – Detection of Salmonella spp.
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Organic, organo-mineral and inorganic fertilizers – Detection of Escherichia coli
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Fertilizing products – Determination of the stability of fertilizing products containing micronutrient chelates at different pHs
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Fertilizing products – Determination of the stability of fertilizing products containing micronutrient complexes
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Organo-mineral fertilizers – Identification of complexing agents – Part 1: Method using UV-Vis spectrophotometry and gravimetry
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Organo-mineral fertilizers – Identification of complexing agents – Part 2: Method using high-performance liquid chromatography (HPLC)
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Organo-mineral fertilizers – Determination of chelating and complexing agents
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Inorganic micronutrient fertilizers – Determination of the chelated micronutrient content and the chelated fraction of micronutrients – Part 1: Treatment with a cation exchange resin
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Inorganic micronutrient fertilizers – Determination of the chelated micronutrient content and the chelated fraction of micronutrients – Part 2: Determination of EDTA, DTPA, HEEDTA, IDHA or EDDS
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