BS 4993-1:1974

Methods of test for aluminium fluoride for industrial use-Determination of fluorine content

BSI Group, 02/28/1974

Publisher: BS

File Format: PDF

$76.00$152.40

Description

Published:28/02/1974

Pages:10

File Size:1 file , 390 KB

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Fusion of a test portion with sodium carbonate and separation of the fluorine by distillation with sulphuric acid. Titration of the distillate with thorium nitrate solution using either sodium alizarinsulphonate with or without methylene blue as masking agents, or methylthymol blue as indicator.

Cross References:
BS 410
BS 1792
BS 1848
BS 2586
BS 3145
BS 3422
BS 3978

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