BS 4140-7:1986

Withdrawn

Methods of test for aluminium oxide Determination of iron content

Available format(s)

Hardcopy , PDF

Withdrawn date

05-31-2016

Language(s)

English

Published date

01-31-1986

Publisher

British Standards Institution

NO CONTENTS SECTION

Describes a 1,10-phenanthroline photometric method for determining iron content of aluminium. Applicable to products having an iron content, expressed as iron oxide, equal to or greater than 0,005%.

Committee	W/-
DevelopmentNote	Supersedes BS 4140(1967) (07/2004) Also numbered as ISO 805 Supersedes 84/55320 DC (07/2005)
DocumentType	Standard
Pages	10
PublisherName	British Standards Institution
Status	Withdrawn
Supersedes	BS 4140:1967

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ISO 2070:1997	Aluminium oxide primarily used for the production of aluminium Determination of calcium content
ISO 2926:2013	Aluminium oxide used for the production of primary aluminium — Particle size analysis for the range 45 µm to 150 µm — Method using electroformed sieves
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BS 4140-4:1986	Methods of test for aluminium oxide Preparation of sample solution by alkaline fusion
BS 4140-20:1980	Methods of test for aluminium oxide Sampling
ISO 3390:1976	Aluminium oxide primarily used for the production of aluminium — Determination of manganese content — Flame atomic absorption method
ISO 806:2004	Aluminium oxide primarily used for the production of aluminium — Determination of loss of mass at 300 degrees C and 1 000 degrees C
ISO 1232:1976	Aluminium oxide primarily used for the production of aluminium Determination of silica content Reduced molybdosilicate spectrophotometric method
ISO 2961:1974	Aluminium oxide primarily used for the production of aluminium — Determination of an adsorption index
ISO 2071:1976	Aluminium oxide primarily used for the production of aluminium Determination of zinc content Flame atomic absorption method
ISO 2072:1981	Aluminium oxide primarily used for the production of aluminium Determination of zinc content PAN photometric method
ISO 2829:1973	Aluminium oxide primarily used for the production of aluminium — Determination of phosphorus content — Reduced phosphomolybdate spectrophotometric method
BS 4140-1:1986	Methods of test for aluminium oxide Preparation and storage of test samples