ISO 1576:1988

Current Revision
Tea -- Determination of water-soluble ash and water-insoluble ash

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ISO 1576:1988

Tea -- Determination of water-soluble ash and water-insoluble ash

PUBLISH DATE 1988
ISO 1576:1988

The method consists in extracting 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.

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