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DIN EN 13368-1:2014 Edition

DIN EN 13368-1:2014 Edition

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Fertilizers – Determination of chelating agents in fertilizers by chromatography – Part 1: Determination of EDTA, HEEDTA and DTPA by ion chromatography

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DIN 2014-04 14
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This European Standard specifies a method for the chromatographic determination of the total amount of each of the individual chelating agents EDTA, HEEDTA and DTPA in fertilizers containing one or more of these substances. The method allows the identification and the determination of the total water soluble fraction of each of these chelating agents. It does not allow to distinguish between the free form and the metal bound form of the chelating agents. The method applies to fertilizers containing chelates of one or more of the following micro-nutrients: cobalt, copper, iron, manganese, zinc and with a mass fraction of at least 0,1 %.

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DIN EN 13368-1
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