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BS 4993-7:1980

BS 4993-7:1980

Withdrawn

Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

Methods of test for aluminium fluoride for industrial use Determination of sodium content

Available format(s)

Hardcopy , PDF

Withdrawn date

01-12-2011

Language(s)

English

Published date

31-12-1980

Publisher

British Standards Institution

NO CONTENTS SECTION

Provides a flame emission spectrophotometric method for determining sodium content of aluminium fluoride for industrial use. Applicable to products having sodium contents, expressed as sodium oxide equal to or greater than 0.05 %.

Committee
W/-
DevelopmentNote
Also numbered as ISO 4279. Supersedes 75/53372 DC. (07/2005)
DocumentType
Standard
Pages
12
PublisherName
British Standards Institution
Status
Withdrawn

BS 4993-5:1980 Methods of test for aluminium fluoride for industrial use Determination of moisture content (Karl Fischer method)
BS 4993-9:1980 Methods of test for aluminium fluoride for industrial use Determination of sulphur content (X-ray fluorescence spectrometric method)
BS 5050-11(1980) : 1980 METHODS OF TEST FOR CRYOLITE - DETERMINATION OF SULPHATE CONTENT
BS 5050-9(1980) : 1980 METHODS OF TEST FOR CRYOLITE - DETERMINATION OF MOISTURE CONTENT (KARL FISHER METHOD)
BS 4993-8:1980 Methods of test for aluminium fluoride for industrial use Determination of sulphate content
BS 5050-13(1983) : 1983 METHODS OF TEST FOR CRYOLITE - DETERMINATION OF PHOSPHORUS CONTENT
BS 5050-10(1980) : 1980 METHODS OF TEST FOR CRYOLITE - DETERMINATION OF MOISTURE CONTENT (GRAVIMETRIC METHOD)
BS 5050-12(1980) : 1980 METHODS OF TEST FOR CRYOLITE - DETERMINATION OF SULFUR CONTENT (X-RAY FLUORESCENCE SPECTROMETRIC METHOD)
BS 4993-10:1983 Methods of test for aluminium fluoride for industrial use Determination of phosphorus content
BS 4993-6:1980 Methods of test for aluminium fluoride for industrial use Determination of moisture content (gravimetric method)

BS 4993-9:1980 Methods of test for aluminium fluoride for industrial use Determination of sulphur content (X-ray fluorescence spectrometric method)
BS 4993-4:1980 Methods of test for aluminium fluoride for industrial use Preparation and storage of test samples
BS 4993-3:1974 Methods of test for aluminium fluoride for industrial use Determination of silica content
BS 4993-6:1980 Methods of test for aluminium fluoride for industrial use Determination of moisture content (gravimetric method)
BS 4993-5:1980 Methods of test for aluminium fluoride for industrial use Determination of moisture content (Karl Fischer method)
BS 4993-8:1980 Methods of test for aluminium fluoride for industrial use Determination of sulphate content
BS 4993-2:1974 Methods of test for aluminium fluoride for industrial use Determination of iron content
ISO 5930:1979 Cryolite, natural and artificial, and aluminium fluoride for industrial use Determination of phosphorus content Reduced molybdophosphate photometric method
BS 5309-4:1976 Methods for sampling chemical products Sampling of solids
BS 4993-1:1974 Methods of test for aluminium fluoride for industrial use Determination of fluorine content

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