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BSI - BS 6049-7

Methods of test for tea - Part 7: Determination of alkalinity of water-soluble ash

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Organization: BSI
Publication Date: 31 December 1980
Status: active
Page Count: 8
ICS Code (Tea): 67.140.10

Document History

BS 6049-7
December 31, 1980
Methods of test for tea - Part 7: Determination of alkalinity of water-soluble ash
A description is not available for this item.

References

This document references:
BS 6049-1 - Methods of test for tea - Part 1: Preparation of ground sample of known dry matter content
Published by BSI on December 31, 1980
Method of use in analytical determinations that require results to be expressed on the dry basis.
This document references:
BS 6049-4 - Methods of Test for Tea Part 4: Determination of Total Ash
Published by BSI on June 30, 1988
Destruction of organic matter by heating at 525°C to constant mass.
This document references:
BS 6049-5 - Methods of Test for Tea Part 5: Determination of Water-Soluble Ash and Water-Insoluble Ash
Published by BSI on April 28, 1989
Extraction of the total ash (see BS 6049-4) with hot water, filtration and heating at 525°C to constant mass.

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