Tea Determination of acid-insoluble ash

Available format(s)

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

Language(s)

English, French

Published date

10-09-1987

Publisher

International Organization for Standardization

The method consists in treating of the total ash (obtained as described in ISO 1575) with hydrochloric acid solution, filtrating, igniting and weighing of the residue.

DevelopmentNote	Also numbered as BS 6049-6(1988) (09/2005)
DocumentType	Standard
Pages	2
PublisherName	International Organization for Standardization
Status	Current
Supersedes	ISO 1577:1980

Standards	Relationship
NF ISO 1577 : 1989	Identical
BIS IS 13857 : 1993(R1998)	Identical
GOST ISO 1577 : 2014	Identical
PN ISO 1577 : 1996	Identical
NFV 03 347 : 1981	Identical
BS 6049-6:1981	Identical

BS ISO 20409:2017	Traditional Chinese medicine. Panax notoginseng root and rhizome
17/30359104 DC : DRAFT SEP 2017	BS ISO 21317 - TRADITIONAL CHINESE MEDICINE - LONICERA JAPONICA FLOWER
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 3720:2011	Black tea Definition and basic requirements
ISO 20409:2017	Traditional Chinese medicine — Panax notoginseng root and rhizome
16/30336155 DC : 0	BS ISO 20409 - TRADITIONAL CHINESE MEDICINE - PANAX NOTOGINSENG ROOT AND RHIZOME
ISO 11287:2011	Green tea Definition and basic requirements