THE USE OF AMMONIUM SALTS OF HETEROPOLY ACIDS FOR THE $sup 137$Cs ISOLATION
Technical Report
·
OSTI ID:4090463
A method of Cs/sup 137/ selective desorption on ammonium salts of heteropolyacids (HPA) from mixtures of fission products was studied. Experiments were carried out on a column of the ammonium salt of phosphotungstic and phosphomolybdic acids. The efficiency of cesium elution by 10 M ammonium nitrate solution was investigated. Excess ammonium nitrate was decomposed by heat treatment or by means of a mixture of nitric and hydrochloric acids. Decomposition of the ammonium salts of HPA by ammonium hydroxide was proposed as an alternative method for the separation of cesium. Components of decomposed HPA were precipitated as barium salts. (auth)
- Research Organization:
- Ceskoslovenska Akademie ved. Ustav Jaderneho Vyzkumu, Rez
- NSA Number:
- NSA-18-010184
- OSTI ID:
- 4090463
- Report Number(s):
- UJV-911/63
- Country of Publication:
- Czech Republic
- Language:
- English
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OSTI ID:4067543
Related Subjects
ADSORPTION
AMMONIA
AMMONIUM COMPOUNDS
BARIUM COMPOUNDS
CESIUM 137
CESIUM COMPOUNDS
CHEMISTRY
DECOMPOSITION
EFFICIENCY
FISSION PRODUCTS
HYDROCHLORIC ACID
ISOTOPE SEPARATION
MEASURED VALUES
MINERAL ACIDS
MIXING
MOLYBDENUM OXIDES
MOLYBDENUM PHOSPHATES
NITRATES
NITRIC ACID
OPERATION
PERFORMANCE
PHOSPHORIC ACID
PHOSPHOTUNGSTIC ACID
PRECIPITATION
PYROLYSIS
QUANTITY RATIO
RADIOCHEMISTRY
RECOVERY
SALTS
SEPARATION PROCESSES
SOLUTIONS
TUNGSTEN PHOSPHATES
USES
WATER
AMMONIA
AMMONIUM COMPOUNDS
BARIUM COMPOUNDS
CESIUM 137
CESIUM COMPOUNDS
CHEMISTRY
DECOMPOSITION
EFFICIENCY
FISSION PRODUCTS
HYDROCHLORIC ACID
ISOTOPE SEPARATION
MEASURED VALUES
MINERAL ACIDS
MIXING
MOLYBDENUM OXIDES
MOLYBDENUM PHOSPHATES
NITRATES
NITRIC ACID
OPERATION
PERFORMANCE
PHOSPHORIC ACID
PHOSPHOTUNGSTIC ACID
PRECIPITATION
PYROLYSIS
QUANTITY RATIO
RADIOCHEMISTRY
RECOVERY
SALTS
SEPARATION PROCESSES
SOLUTIONS
TUNGSTEN PHOSPHATES
USES
WATER