BS 4993-3:1974 - Methods of test for aluminium fluoride for industrial use. Determination of silica content

BS 4993-3:1974

Methods of test for aluminium fluoride for industrial use. Determination of silica content

Status : Confirmed, Current   Published : February 1974

Format
PDF

Format
HARDCOPY



Fusion of a test portion with sodium carbonate/boric acid, dissolution of the melt in nitric acid, formation of the yellow (oxidized) silico-molybdic complex, reduction to the blue form and spectrophotometric measurement at 815 nm.




Standard NumberBS 4993-3:1974
TitleMethods of test for aluminium fluoride for industrial use. Determination of silica content
StatusConfirmed, Current
Publication Date28 February 1974
Confirm Date24 May 2021
Normative References(Required to achieve compliance to this standard)No other standards are normatively referenced
Informative References(Provided for Information)No other standards are informatively referenced
Amended ByAMD 2028
DescriptorsSpecimen preparation, Spectrophotometry, Solutions, Aluminium inorganic compounds, Photometry (chemical analysis), Silicon dioxide, Calibration, Determination of content, Fluorides, Test equipment
ICS71.060.50
Title in FrenchMethodes d'essai pour fluorure d'aluminium a usage industriel. Determination de la teneur en silice
Title in GermanVerfahren zur Pruefung von Aluminiumfluorid fuer den industriellen Gebrauch. Bestimmung des Kieselgehalts
CommitteeCII/24
ISBN0 580 07999 6
PublisherBSI
FormatA4
DeliveryYes
Pages10
File Size408 KB
Price£112.00


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