SEPARATION AND SPECTROPHOTOMETRIC AND SPECTROGRAPHIC DETERMINATION OF SOME RARE EARTHS IN URANIUM COMPOUNDS (in Italian)
Journal Article
·
· Met. ital.
OSTI ID:4754100
After the extraction of uranium with TIOA 0.5 M in xylene from strongly chloride solutions, two methods are proposed to isolate the rare earths from other interfering ions: a) extraction of lanthanides by employing TTA in xylene at 60 deg C; b) chromatography on anionic resin in sulfuric solutions. The rare earths are altogether determined by a spectrophotometric procedure using arsenazo; in a controlled atmosphere it is possible to carry out a quantitative spectrographic determination arcing the fluorides. The procedure for the determination of Gd, Sm, Dy, and Er is described. (auth)
- Research Organization:
- Comitato Nazionale per l'Energia Nucleare, Milan
- NSA Number:
- NSA-16-032934
- OSTI ID:
- 4754100
- Journal Information:
- Met. ital., Journal Name: Met. ital. Vol. Vol: 54
- Country of Publication:
- Country unknown/Code not available
- Language:
- Italian
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