Methods of test for aluminium oxide Determination of phosphorus content

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Hardcopy , PDF

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English

Published date

02-28-1986

Publisher

British Standards Institution

NO CONTENTS SECTION

Establishes a spectrophotometric method using reduced ammonium phosphomolybdate for determining phosphorus content of aluminium oxide used for the production of aluminium. Applicable to phosphorus contents greater than 0,0005%.

This International Standard specifies a spectrophotometric method using reduced ammonium phosphomolybdate for the determination of the phosphorus content of aluminium oxide primarily used for the production of aluminium.

The method is applicable to phosphorus contents, expressed as P₂O₅, greater than 0,000 5 %.

Committee	W/-
DevelopmentNote	Also numbered as ISO 2829 Supersedes 85/52367 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 4140-4:1986

Methods of test for aluminium oxide Preparation of sample solution by alkaline fusion

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BS 4140-18:1986

Methods of test for aluminium oxide Determination of phosphorus content

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