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CEN/TS 17769:2022

Organic and organo-mineral fertilizers - Determination of the mercury content

General information
Valid from 18.04.2022
Base Documents
CEN/TS 17769:2022
Directives or regulations
None
Standard history
Status
Date
Type
Name
18.04.2022
Main
This document specifies a method for determination of the content of mercury (Hg) in organic fertilizers and organo-mineral fertilizers using (cold) vapour generation apparatus coupled to an atomic absorption spectrophotometer and a method using a direct amalgamation technique. It is applicable to aqua regia digests prepared according to CEN/TS 17768. NOTE It is also possible to use other suitable methods for the determination of mercury described in Annex A if users prove that the method gives the same results as the methods described in this standard.
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