ČSN P CEN/TS 17769

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Bezeichnung: ČSN P CEN/TS 17769

Ausgabedatum: 01.12.2022

Seiten: 16

Land: Tschechische technische Norm

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Annotation

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