BSI - BS 4993-3
Methods of Test for Aluminium Fluoride for Industrial Use - Part 3: Determination of Silica Content
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| Organization: | BSI |
| Publication Date: | 28 February 1974 |
| Status: | active |
| Page Count: | 10 |
| ICS Code (Salts): | 71.060.50 |
scope:
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.
Document History
BS 4993-3
February 28, 1974
Methods of Test for Aluminium Fluoride for Industrial Use - Part 3: Determination of Silica Content
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...
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