Published
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.
Revises
ISO 1576:1975
PUBLISHED
ISO 1576:1988
90.93
Standard confirmed
Sep 7, 2020
Tea — Determination of water-soluble ash and water-insoluble ash
60.60 Standard published
Only informative sections of projects are publicly available. To view the full content, you will need to members of the committee. If you are a member, please log in to your account by clicking on the "Log in" button.