SEPARATION AND PURIFICATION OF RARE EARTH ELEMENTS BY FRACTIONAL CRYSTALLIZATION. III. SEPARATION OF CERIUM GROUP ELEMENTS BY FRACTIONAL CRYSTALLIZATION OF DOUBLE MAGNESIUM NITRATE (in Japanese)
Journal Article
·
· Kogyo Kagaku Zasshi (Japan) Merged with Nippon Kagaku Zasshi to form Nippon Kagaku Kaishi
OSTI ID:4112177
The separation of cerium-group elements was carried out by the fractional crystallization of double magnesium nitrate. The composition of the rare earth salt used in this experiment was as follows: La/sub 2/O/sub 3/, 23.4%; CeO/sub 2/, 1.2%; Pr/sub 6/O/sub 11/, 13.1%; Nd/sub 2/O/sub 3/, 57.5%; Sm/sub 2/O/ sub 3/, 3.1%; an d SIGMA STAY/sub 2/O/sub 3/!, 1.7%. During the fractional crystallization the degrees of separation of cerium group elements were known from the behaviors of Pr and Nd, which were analyzed by spectrophotometry. When the fractional crystallizations were carried out 500 times with about 60 fractions, the pure oxides of La and Nd were obtained, and the concentrated oxides of Pr and Sm were separated. The pure oxides obtained were 1.0 kg of La/ sub 2/O/sub 3/ and 1.5 kg of Nd/sub 2/O/sub 3/. (auth)
- Research Organization:
- Osaka Univ.
- NSA Number:
- NSA-18-008449
- OSTI ID:
- 4112177
- Journal Information:
- Kogyo Kagaku Zasshi (Japan) Merged with Nippon Kagaku Zasshi to form Nippon Kagaku Kaishi, Journal Name: Kogyo Kagaku Zasshi (Japan) Merged with Nippon Kagaku Zasshi to form Nippon Kagaku Kaishi Vol. Vol: 66; ISSN KGKZA
- Country of Publication:
- Country unknown/Code not available
- Language:
- Japanese
Similar Records
Separation and Purification of Rare Earth Elements by Fractional Crystallization. IV. Purifications of Cerium Group Elements by Fractional Crystallizations of Double Salts of Nitrates
PRELIMINARY STUDY OF ION EXCHANGE SEPARATION OF CERIUM EARTHS BY EDTA COPPER METHOD
Separation of individual rare earths elements by association of homogeneous precipitation and ion exchange techniques
Journal Article
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Sat Jun 01 00:00:00 EDT 1963
· Kogyo Kagaku Zasshi
·
OSTI ID:4839949
PRELIMINARY STUDY OF ION EXCHANGE SEPARATION OF CERIUM EARTHS BY EDTA COPPER METHOD
Journal Article
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Sun Jul 01 00:00:00 EDT 1962
· Denki Shikensho Iho (Japan) Changed to Denshi Gijutsu Sogo Kenkyusho Iho
·
OSTI ID:4764978
Separation of individual rare earths elements by association of homogeneous precipitation and ion exchange techniques
Thesis/Dissertation
·
Sun Dec 31 23:00:00 EST 1972
·
OSTI ID:4329381
Related Subjects
ABSORPTION
CERIUM NITRATES
CERIUM OXIDES
CHEMISTRY
CRYSTALLIZATION
EFFICIENCY
ENRICHMENT
IMPURITIES
LANTHANUM NITRATES
LANTHANUM OXIDES
LIGHT
MAGNESIUM NITRATES
MIXING
NEODYMIUM NITRATES
NEODYMIUM OXIDES
OPERATION
PERFORMANCE
PHOTOMETRY
PRASEODYMIUM NITRATES
PRASEODYMIUM OXIDES
PREPARATION
QUANTITATIVE ANALYSIS
QUANTITY RATIO
RARE EARTHS
REFINING
SAMARIUM NITRATES
SAMARIUM OXIDES
SEPARATION PROCESSES
SOLUTIONS
SPECTROSCOPY
TRACE AMOUNTS
WATER
YTTRIUM NITRATES
YTTRIUM OXIDES
CERIUM NITRATES
CERIUM OXIDES
CHEMISTRY
CRYSTALLIZATION
EFFICIENCY
ENRICHMENT
IMPURITIES
LANTHANUM NITRATES
LANTHANUM OXIDES
LIGHT
MAGNESIUM NITRATES
MIXING
NEODYMIUM NITRATES
NEODYMIUM OXIDES
OPERATION
PERFORMANCE
PHOTOMETRY
PRASEODYMIUM NITRATES
PRASEODYMIUM OXIDES
PREPARATION
QUANTITATIVE ANALYSIS
QUANTITY RATIO
RARE EARTHS
REFINING
SAMARIUM NITRATES
SAMARIUM OXIDES
SEPARATION PROCESSES
SOLUTIONS
SPECTROSCOPY
TRACE AMOUNTS
WATER
YTTRIUM NITRATES
YTTRIUM OXIDES