Spectrophotometric determination of europium in the presence of praseodymium or erbium
Journal Article
·
· Ind. Lab. (USSR) (Engl. Transl.); (United States)
OSTI ID:7145543
Solutions of sigma-cresulphthalexone S (o-KFS) (10/sup -3/M), cetyltrimethylammonium (10/sup -2/M), NaF, and EDTA solutions were used. Complex formation of rare earth elements with o-KFS is most complete at pH 5.5 to 6, and the absorption of the complexes is highest at pH 8 to 9 for Pr and pH 7 to 8 for Er. Results show that it is possible to determine Sm, Eu, and Gd in the presence of La, Ce, Er, Tm, Yb, and Lu. The method was verified using Eu in binary Pr to Er mixtures. (DLC)
- Research Organization:
- Inst. of General and Inorganic Chemistry, Odessa
- OSTI ID:
- 7145543
- Journal Information:
- Ind. Lab. (USSR) (Engl. Transl.); (United States), Journal Name: Ind. Lab. (USSR) (Engl. Transl.); (United States) Vol. 42:2; ISSN INDLA
- Country of Publication:
- United States
- Language:
- English
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Mon Oct 01 00:00:00 EDT 1962
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OSTI ID:4749907
Syntheses, structure and rare earth metal photoluminescence of new and known isostructural A{sub 2}Mo{sub 4}Sb{sub 2}O{sub 18} (A=Ce, Pr, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu) compounds
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Related Subjects
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400104* -- Spectral Procedures-- (-1987)
ABSORPTION SPECTRA
ALKALI METAL COMPOUNDS
AMINO ACIDS
AQUEOUS SOLUTIONS
CARBOXYLIC ACIDS
CHELATING AGENTS
COMPLEXES
DISPERSIONS
EDTA
ELEMENTS
EUROPIUM
FLUORIDES
FLUORINE COMPOUNDS
GADOLINIUM
HALIDES
HALOGEN COMPOUNDS
INTERFERING ELEMENTS
METALS
MIXTURES
ORGANIC ACIDS
ORGANIC COMPOUNDS
PH VALUE
RARE EARTHS
SAMARIUM
SODIUM COMPOUNDS
SODIUM FLUORIDES
SOLUTIONS
SPECTRA
SPECTROPHOTOMETRY
400104* -- Spectral Procedures-- (-1987)
ABSORPTION SPECTRA
ALKALI METAL COMPOUNDS
AMINO ACIDS
AQUEOUS SOLUTIONS
CARBOXYLIC ACIDS
CHELATING AGENTS
COMPLEXES
DISPERSIONS
EDTA
ELEMENTS
EUROPIUM
FLUORIDES
FLUORINE COMPOUNDS
GADOLINIUM
HALIDES
HALOGEN COMPOUNDS
INTERFERING ELEMENTS
METALS
MIXTURES
ORGANIC ACIDS
ORGANIC COMPOUNDS
PH VALUE
RARE EARTHS
SAMARIUM
SODIUM COMPOUNDS
SODIUM FLUORIDES
SOLUTIONS
SPECTRA
SPECTROPHOTOMETRY