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SRPS CEN/TS 17703:2022

Plant biostimulants - Determination of chromium(VI)

Dec 30, 2022

General information

60.60     Dec 30, 2022



Technical Specification

65.080     07.080  




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This document was developed to provide a method for verifying that hexavalent chromium (CrVI) is not present in plant biostimulants in a concentration that exceeds the respective limits outlined in the EU Regulation on Fertilising Products [1].
This document is applicable to all types of plant biostimulants (solid and liquid ) used in agriculture.
The method described is suitable to quantify the chromium(VI) content in plant biostimulants down to 2 mg/kg.
The results obtained from this method are strictly dependent on the extraction conditions. Results obtained by using other extraction procedures (extraction solution, pH, extraction time, etc.) are not comparable with the results produced by the procedure described in this document.

Related directives

Directives related to this standard.


Life cycle


SRPS CEN/TS 17703:2022
60.60 Standard published
Dec 30, 2022

Related project

Adopted from CEN/TS 17703:2022