This standard was last reviewed and confirmed in 2022. Therefore this version remains current.
The method is applicable to products having an iron content between 0,2 % (m/m) and 10 % (m/m). ISO 9681 should be read in conjunction with ISO 4297. Specifies principle, reagents, apparatus, sampling and samples, procedure, and expression of results.
Status : PublishedPublication date : 1990-11
Edition : 1Number of pages : 4
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