Thorium in monazite sand; separation and determination by precipitation from homogeneous solution
Journal Article
·
· Anal. Chem.; (United States)
A new method is described which consists of three steps: (1) decomposition of the monazite sand with perchloric acid; (2) separation of thorium and the rare earths by hydrolysis of methyl-oxalate in acid solution; and (3) separation of thorium from the rare earths by hydrolysis of urea in the presence of formic acid. The authors consider the method to be accurate and rapid.
- OSTI ID:
- 5966402
- Journal Information:
- Anal. Chem.; (United States), Journal Name: Anal. Chem.; (United States) Vol. 20; ISSN ANCHA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
050400* -- Nuclear Fuels-- Feed Processing
11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400105 -- Separation Procedures
ACTINIDE COMPOUNDS
ACTINIDES
AMIDES
CARBONIC ACID DERIVATIVES
CARBOXYLIC ACID SALTS
CARBOXYLIC ACIDS
CHEMICAL REACTIONS
DECOMPOSITION
ELEMENTS
FORMIC ACID
HYDROGEN COMPOUNDS
HYDROLYSIS
INORGANIC ACIDS
LYSIS
METALS
MINERALS
MONAZITES
MONOCARBOXYLIC ACIDS
ORE PROCESSING
ORGANIC ACIDS
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
OXALATES
OXYGEN COMPOUNDS
PERCHLORIC ACID
PHOSPHATES
PHOSPHORUS COMPOUNDS
PRECIPITATION
PROCESSING
RADIOACTIVE MATERIALS
RADIOACTIVE MINERALS
RARE EARTH COMPOUNDS
RARE EARTHS
SEPARATION PROCESSES
SOLVOLYSIS
THORIUM
THORIUM COMPOUNDS
THORIUM MINERALS
THORIUM PHOSPHATES
UREA
11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400105 -- Separation Procedures
ACTINIDE COMPOUNDS
ACTINIDES
AMIDES
CARBONIC ACID DERIVATIVES
CARBOXYLIC ACID SALTS
CARBOXYLIC ACIDS
CHEMICAL REACTIONS
DECOMPOSITION
ELEMENTS
FORMIC ACID
HYDROGEN COMPOUNDS
HYDROLYSIS
INORGANIC ACIDS
LYSIS
METALS
MINERALS
MONAZITES
MONOCARBOXYLIC ACIDS
ORE PROCESSING
ORGANIC ACIDS
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
OXALATES
OXYGEN COMPOUNDS
PERCHLORIC ACID
PHOSPHATES
PHOSPHORUS COMPOUNDS
PRECIPITATION
PROCESSING
RADIOACTIVE MATERIALS
RADIOACTIVE MINERALS
RARE EARTH COMPOUNDS
RARE EARTHS
SEPARATION PROCESSES
SOLVOLYSIS
THORIUM
THORIUM COMPOUNDS
THORIUM MINERALS
THORIUM PHOSPHATES
UREA