Methods of test for aluminium oxide Determination of fluorine content

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Hardcopy , PDF

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English

Published date

28-02-1986

Publisher

British Standards Institution

NO CONTENTS SECTION

Gives a spectrophotometric method, using alizarin complexone and lanthanum chloride for determining fluorine content of aluminium oxide used for the production of aluminium. Applicable to fluorine contents greater than 0,003%.

This International Standard specifies a spectrophotometric method, using alizarin complexone and lanthanum chloride, for the determination of the fluorine content of aluminium oxide primarily used for the production of aluminium.

The method is applicable to fluorine (F) contents greater than 0,003 %.

Committee	W/-
DevelopmentNote	Also numbered as ISO 2828 Supersedes 85/52366 DC and BS 4140:ADD3(1974) (07/2005) Reviewed and confirmed by BSI, November 2016. (11/2016)
DocumentType	Standard
Pages	10
PublisherName	British Standards Institution
Status	Current
Supersedes	BS 4140:ADD3(1974) : LATEST

BS 4140-13:1986	Methods of test for aluminium oxide Preparation of sample solution by treatment with hydrochloric acid under pressure
BS 5050:1974	Methods of test for cryolite
BS 4140-1:1986	Methods of test for aluminium oxide Preparation and storage of test samples

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BS 4140-17:1986

Methods of test for aluminium oxide Determination of fluorine content

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