BS PD CEN/TS 17786-1:2022 PDF
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Inorganic micronutrient fertilizers. Determination of the chelated micronutrient content and the chelated fraction of micronutrients-Treatment with a cation exchange resin
BSI Group , 07/22/2022
BS PD CEN/TS 17786-1:2022 PDF
This document specifies a method for the determination of the chelated iron content and the chelated fraction of iron, in UVCB chelates, EDDHA, EDDHMA, HBED, EDDHSA, in inorganic micronutrient fertilizers by the treatment with a cation exchange resin.
The limit of determination of the chelated iron content highly depends on the specific electrical conductivity of the sample, on the amount of nutrient present, and varies between 0,005 % in simple matrices with high amounts of micronutrient and 0,5 % in more complex cases (see 9.1).
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