Determination of Silicon by Distillation-Colorimetric Method
| Autor: | B. D. Holt |
|---|---|
| Rok vydání: | 1960 |
| Předmět: |
inorganic chemicals
Silicon Radiochemistry technology industry and agriculture chemistry.chemical_element equipment and supplies complex mixtures Analytical Chemistry chemistry.chemical_compound Hydrofluoric acid chemistry Molybdenum blue Nitric acid Reagent Tetrafluoride Perchloric acid Phosphoric acid Nuclear chemistry |
| Zdroj: | Analytical Chemistry. 32:124-128 |
| ISSN: | 1520-6882 0003-2700 |
| Popis: | A method is described for the separation of microgram quantities of silicon from plutonium and other metals for colorimetric determination. The silicon is volatilized as the tetrafluoride from a perchloric acid solution in an allplutonium, uniformly heated still. The distillate is absorbed in a solution of boric and molybdic acids, in which the molybdenum blue color is developed. Most of the silicon distills over during the founth and fifth minutes of the 10- minute heating period. Only 0.05 ml of reagent hydrofluoric acid (50%) is needed for the 0- to 50- gamma range. Nitric acid is added with the hydrofluoric acid to ensure complete decomposition of elemental silicon. Results from the analyses of plutonium, uranium alioys, steels, and phosphoric acid by this technique are presented. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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