This standard was last reviewed and confirmed in 2020. Therefore this version remains current.
The method consists in extractiing of the total ash with hot water, filtration through ashless filter paper, ignition and weighing of the residue to determine the insoluble ash; calculation of the soluble ash by difference.
Status: PublishedPublication date: 1988-07
Edition: 2Number of pages: 2
Technical Committee: ISO/TC 34/SC 8 Tea
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