SEPARATION OF THORIUM FROM RARE EARTHS BY MEANS OF PYRIDINE AND ITS NITRATE (in Russian)
Journal Article
·
· Zhur. Anal. Khim.
OSTI ID:4324442
Thorium is quantitatively precipltated by means of a mixture of pyridine and its nitrate at pH 4.1 to 4.2. The cosgulation and settiing of the precipitate can be speeded up by ammonium nitrate. Thorium hydroxide precipitates in a very compact state and has little absorptive capacity. Yttrium, lanthanum, trivalent cerium, neodymium, praseodymium, erbium, samarium, and ytterbium stay in the solution. The separation of thorium is complete and does not require reprecipitation. (tr-auth)
- Research Organization:
- Originating Research Org. not identified
- NSA Number:
- NSA-12-015431
- OSTI ID:
- 4324442
- Journal Information:
- Zhur. Anal. Khim., Journal Name: Zhur. Anal. Khim. Vol. Vol: 13
- Country of Publication:
- Country unknown/Code not available
- Language:
- Russian
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Related Subjects
ACIDITY
ADSORPTION
AMMONIUM COMPOUNDS
CERIUM COMPOUNDS
CHEMICAL REACTIONS
CHEMISTRY
COAGULATION
ERBIUM COMPOUNDS
LANTHANUM COMPOUNDS
NEODYMIUM COMPOUNDS
NITRATES
PRASEODYMIUM COMPOUNDS
PRECIPITATION
PYRIDINES
RARE EARTHS
SAMARIUM COMPOUNDS
SEPARATION PROCESSES
SOLUTIONS
THORIUM COMPOUNDS
THORIUM HYDROXIDES
YTTERBIUM COMPOUNDS
YTTRIUM COMPOUNDS
ADSORPTION
AMMONIUM COMPOUNDS
CERIUM COMPOUNDS
CHEMICAL REACTIONS
CHEMISTRY
COAGULATION
ERBIUM COMPOUNDS
LANTHANUM COMPOUNDS
NEODYMIUM COMPOUNDS
NITRATES
PRASEODYMIUM COMPOUNDS
PRECIPITATION
PYRIDINES
RARE EARTHS
SAMARIUM COMPOUNDS
SEPARATION PROCESSES
SOLUTIONS
THORIUM COMPOUNDS
THORIUM HYDROXIDES
YTTERBIUM COMPOUNDS
YTTRIUM COMPOUNDS