This standard was last reviewed and confirmed in 2023. Therefore this version remains current.
Specifies two equivalent methodes. They consist in dissolving the wanted substance in a mixture of hydrochloric and nitric acids or in a mixture of sulfuric and nitric acids.
Status: PublishedPublication date: 1984-10
Edition: 1Number of pages: 2
Technical Committee: ISO/TC 134 Fertilizers, soil conditioners and beneficial substances
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