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

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Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users

Language(s)

English, French

Published date

07-07-1988

Publisher

International Organization for Standardization

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.

DevelopmentNote	Also numbered as BS 6049-5(1989) (09/2005)
DocumentType	Standard
Pages	2
PublisherName	International Organization for Standardization
Status	Current
Supersedes	ISO 1576:1975

Standards	Relationship
NFV 03 345 : 1981	Identical
GOST ISO 1576 : 2013	Identical
NF ISO 1576 : 1989	Identical
PN ISO 1576 : 1996	Identical
BIS IS 13855 : 1993(R1998)	Identical
DIN ISO 1576:1992-05	Identical
BS 6049-5:1981	Identical

ISO 3720:2011	Black tea Definition and basic requirements
BS ISO 11287:2011	Green tea. Definition and basic requirements
BS 6048:1987	Specification for black tea
BS ISO 3720:2011	Black tea. Definition and basic requirements
ISO 11287:2011	Green tea Definition and basic requirements

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ISO 1576:1988

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

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