NBN EN 13368-2 : 2012
Current
The latest, up-to-date edition.
FERTILIZERS - DETERMINATION OF CHELATING AGENTS IN FERTILIZERS BY CHROMATOGRAPHY - PART 2: DETERMINATION OF FE CHELATED BY O,O-EDDHA, O,O-EDDHMA AND HBED BY ION PAIR CHROMATOGRAPHY
12-01-2013
Describes a method for the chromatographic determination of the iron chelated by each individual ortho(hydroxy)-ortho(hydroxy) isomer of the chelating agents [o,o] EDDHA, [o,o] EDDHMA and by HBED in fertilizers containing one or more of these substances, except for [o,o] EDDHMA and HBED mixes.
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