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Normas DIN – AENOR
DIN EN 15452:2008-11

DIN EN 15452:2008-11

Fertilizers - Determination of chelating agents - Determination of iron chelated by o,p- EDDHA by reversed phase HPLC; German version EN 15452:2008

Engrais - Dosage des agents chélatants - Dosage du fer chélaté par o,p-EDDHA par chromatographie liquide à haute performance à polarité de phase inversée; Version allemande EN 15452:2008

Düngemittel - Bestimmung von Chelatbildnern - Bestimmung von Eisen-chelatisiertem o,p-EDDHA mit Umkehrphasen HPLC; Deutsche Fassung EN 15452:2008

Fecha:
2018-11 /Active
Equivalencias internacionales:

EN 15452 (2008-07)

Relación con otras normas DIN:
Resumen:
This document specifies a method for the chromatographic determination of the amount of iron chelated by each of the individual isomers of the chelating agent o,p-EDDHA in fertilizers. The method allows the identification of this chelating agent and the determination of the water soluble fraction of iron chelated by this chelating agent. The method is not applicable for the determination of the amount of free chelating agent.
Keywords:
Chelating agents, Chromatography, Determination, Determination procedures, Fertilizers, High performance liquid chromatography, HPLC, Iron, Sample preparation, Sampling methods, Soil improving materials, Specimen preparation, Testing
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