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sklademVydáno: 1988
ISO 1576:1988
ISO 1576:1988-Tea — Determination of water-soluble ash and water-insoluble ash
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| Označení normy: | ISO 1576:1988 |
| Počet stran: | 2 |
| Vydání: | 2 |
| Vydáno: | 1988 |
DESCRIPTION
ISO 1576:1988
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.