Spectrographic Determination of Trace Constituents in Rare Earths; DETERMINACION ESPECTROGRAFICA DE IMPUREZAS EN TIERRAS RARAS
Technical Report
·
OSTI ID:4791514
A spectrographic method was developed for the determination of 18 trace elements in lanthanum, cerium, praseodymium, neodymium, and samarium compounds. The concentrations of the impurities cover the range of 0.5 to 500 ppm. Most of these impurities are determined by the carrier distillation method. Several more refractory elements are determined by total burning of the sample with a direct current arc or by the conduction briquet excitation technique with a high voltage condensed spark. The work was carried out with an automatic large quartz spectrograph. (auth)
- Research Organization:
- Spain. Junta de Energia Nuclear, Madrid
- NSA Number:
- NSA-16-028869
- OSTI ID:
- 4791514
- Report Number(s):
- JEN-107-DQ/I-33
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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