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New Work Item Proposal EN 17785 (conversion of CEN/TS 17785:2022 and CEN/TS 17791:2022), Fertilizers - Determination of chelating and complexing agents

Source:
CEN
Committee:
CII/37 - Fertilisers and related chemicals
Categories:
Information management | Standardization. General rules
Comment period start date:
Comment period end date:

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Scope

This document specifies the references to the methods for the determination of the chelated and/or complexed fraction and the chelating and/or complexing agents of inorganic and organo-mineral fertilizers containing micronutrient chelates and/or complexes.

Fertilizers containing micronutrient materials for this purpose are micronutrient chelates or complexes and mixtures of them, in powder or granular form, aqueous or suspension preparations.

This document is applicable to fertilizing product blends, where the blend is a mix of at least two of the following components: fertilizers, liming materials, soil improvers, growing media, inhibitors, plant biostimulants, and where the following category: inorganic fertilizers or organo-mineral fertilizers is the highest % in the blend by mass or volume, or in the case of liquid form by dry mass.

This document is not applicable to fertilizers containing any substance not considered chelating or complexing agent, combining with a micronutrient to form a stable compound at the specific working pH.

Purpose

In the frame of standardization request M/564 and its amendments harmonized standards shall refer to test methods to be applied for verifying the conformity of CE marked fertilizing products with the requirements set out in Regulation (EU) 2019/1009.

This European Standard is a conversion of CEN/TS 17785:2022 and CEN/TS 17791:2022 to become a harmonized European Standard.

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