SEPARATION OF ZIRCONIUM BY ETHYL ACETATE AND TTA-XYLENE EXTRACTION METHODS (in Japanese)
A method of separation with successive two-solvent extractions is presented, in which, at first, a large amount of iron(III), chromium(VI), molybdenum(VI), and tin(IV) are separated by an extraction with ethyl acetate from 8N hydrochloric acid solution, and then zirconium is extracted with 0.5M TTA- xylene for separation from aluminum, vanadium, and titanium. As Ti/sup 4+/ showed a similar behavior to zirconium in the latter case, hydrogen peroxide was added preliminarily. The separation of difficulty separable fluorine was made by a combined use of aluminum and TTA. Zirconium transferred into aqueous phase from TTA solution by the usual method was inapplicable for direct colorimetric determination. The organic phase was diluted with xylene, extracted with 10N sulfuric acid and this was used for direct colorimetric determination. By this Method, a small amount of zirconium containing various amounts of co-existing ions was determined quantitatively. (auth)
- Research Organization:
- Hokkaido Univ., Sapporo
- Sponsoring Organization:
- USDOE
- NSA Number:
- NSA-18-001808
- OSTI ID:
- 4145309
- Journal Information:
- Bunseki Kagaku (Japan), Journal Name: Bunseki Kagaku (Japan) Vol. Vol: 12; ISSN BNSKA
- Country of Publication:
- Country unknown/Code not available
- Language:
- Japanese
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