This standard was last reviewed and confirmed in 2020. Therefore this version remains current.
The method consists in titrating of the filtrate from the determination of water-soluble ash, whith standard hydrochloric acid solution, using methyl orange as indicator.
Status: PublishedPublication date: 1975-12
Edition: 1Number of pages: 2
Technical Committee: ISO/TC 34/SC 8 Tea
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|std 1 38|
|std 2 38||Paper|