THE ISOLATION OF TECHNETIUM BY COPRECIPITATION OR ANION EXCHANGE
Journal Article
·
· Bull. Chem. Soc. Japan
Methods are given for the isolation of Tc/sup 99m/ from fission products by coprecipitation and anion exchange. In the coprecipitation method, the precipitate was in the molybdate (Mo/sup 99/) form of lead, calcium, silver, etc., for the various procedures. Of these, the yield of Tc/sup 99m/ from PbMoO/ sub 4/ was the best, while silver was next with 50 to 60% yield. In the anion exchange techniques, technetium was not eluted with 10% NaOH but was eluted with 3 to 7 N HNO/sub 3/. The process was very slow and unpredictable for other acids and for dilute HNO/sub 3/. The yield was 40 to 45% in Tc/sup 99m/ at 95% purity for 7.5 N HNO/sub 3/. (B.O.G.)
- Research Organization:
- Japan Atomic Energy Research Inst., Tokyo
- Sponsoring Organization:
- USDOE
- NSA Number:
- NSA-14-011662
- OSTI ID:
- 4179831
- Journal Information:
- Bull. Chem. Soc. Japan, Journal Name: Bull. Chem. Soc. Japan Vol. Vol: 32
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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