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  • BS 4993-3:1974

BS 4993-3:1974

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

BSI Group, 02/28/1974

Publisher: BS

File Format: PDF

$76.00$152.40


Published:28/02/1974

Pages:10

File Size:1 file , 410 KB

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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.

Cross References:
BS 1792
BS 2586
BS 3145
BS 3422

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