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sklademVydáno: 1988-07-07
ISO 1576:1988
ISO 1576:1988 - Tea — Determination of water-soluble ash and water-insoluble ash
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Anglicky PDF
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Francouzsky PDF
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Anglicky Hardcopy
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Francouzsky Hardcopy
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| Označení normy: | ISO 1576:1988 |
| Vydání: | 2 |
| Vydáno: | 1988-07-07 |
| Počet stran (Anglicky): | 2 |
| Počet stran (Francouzsky): | 2 |
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.