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  • BSI
    PD CEN/TS 17764:2022 Inorganic micronutrient fertilizers. Determination of the concentration of free, chelated or complexed micronutrients and the chelating and/or complexing agents present in compound inorganic micronutrient fertilizers
    Edition: 2022
    $316.70
    / user per year

Description of PD CEN/TS 17764:2022 2022

This document specifies the method for the determination of free, chelated or complexed micronutrients and chelating and/or complexing agents present in compound inorganic micronutrient fertilizers. This method applies to compound inorganic micronutrient fertilizers when micronutrients are chelated and/or complexed. The method is based on the determination of the following specific parameters : - the water-soluble micronutrient concentration; - the fraction of chelated micronutrients in relation; - identification of chelating agents EDTA, DTPA, HEEDTA, IDHA, [S,S]–EDDS, [o,o] EDDHA, [o,o] EDDHMA, [o,p] EDDHA, HBED and EDDHSA; - the fraction of complexed micronutrients; - identification of complexing agents (lignosulfonates, heptagluconic acid (HGA)). The method is based on - ICP (inductive coupled plasma) or FAAS (flame atomic absorption spectrometry) measurement of the concentration of water-soluble micronutrients according to EN 16963 or EN 16965 after extraction according to EN 16962; - LC (liquid chromatography) measurement of the chelating agents according to EN 15950, EN 13368-1, EN 13368-2, EN 13368-3, EN 15451, EN 15452; and/or complexing agents according to EN 16109 and EN 16847; - determination of the concentration of chelated micronutrients by CEN/TS 17786-1 and/or CEN/TS 17786-2; - determination of the complexed micronutrients by EN 15962. To avoid duplication of the analytical methods, CEN/TS 17786-2 describes the determination of micronutrients and the identification and determination of chelating agents.

Standard NumberPD CEN/TS 17764:2022
TitleInorganic micronutrient fertilizers. Determination of the concentration of free, chelated or complexed micronutrients and the chelating and/or complexing agents present in compound inorganic micronutrient fertilizers
StatusDefinitive
Publication Date2022-07-26
Identical National Standard OfCEN/TS XXX
DescriptorsAgricultural materials, Agricultural chemicals, Fertilizers
ICS65.080 Fertilizers
CommitteeCII/37
ISBN978 0 539 17895 1
PublisherBSI
Pages18

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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