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sklademVydáno: 1989-04-28
BS 6049-5:1989
Methods of test for tea Determination of water-soluble ash and water-insoluble ash
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| Označení normy: | BS 6049-5:1989 |
| Počet stran: | 8 |
| Vydáno: | 1989-04-28 |
| ISBN: | 0 580 17217 1 |
| Status: | Standard |
Popis
BS 6049-5:1989
This standard BS 6049-5:1989 Methods of test for tea is classified in these ICS categories:
- 67.140.10 Tea
This International Standard specifies a method for the determination of the water-soluble ash and the water-insoluble ash of tea.
Extraction of the total ash (see BS 6049-4) with hot water, filtration and heating at 525°C to constant mass.