EXTRACTION OF AMERICIUM AND LANTHANIDES WITH TRIBUTYLPHOSPHATE FROM WATER-DEFICIENT NITRATE MEDIA

Authors
MITSUGASHIRA T KAMOSHIDA M SUZUKI Y SATOH I
Citation
T. Mitsugashira et al., EXTRACTION OF AMERICIUM AND LANTHANIDES WITH TRIBUTYLPHOSPHATE FROM WATER-DEFICIENT NITRATE MEDIA, Journal of alloys and compounds, 213, 1994, pp. 347-350
Citations number
6
Categorie Soggetti
Chemistry Physical","Metallurgy & Mining","Material Science
Journal title
Journal of alloys and compounds → ACNP
ISSN journal
09258388
Volume
213
Year of publication
1994
Pages
347 - 350
Database
ISI
SICI code
0925-8388(1994)213:<347:EOAALW>2.0.ZU;2-0
Abstract
The extraction of Am and lanthanides (La, Ce, Nd, Pm, Eu, Gd, Tb, Tm, Yb) from water-deficient nitrate medium was studied using tributylphos phate-dodecane solution. Am and lanthanides were highly extractable fr om salt melt made of Ca(NO3)(2)4H(2)O and its mixture with Mg(NO3)(2)6 H(2)O at 50-80 degrees C. The distribution ratio decreased with the in crease in the content of water. The decrease was explained by increasi ng hydration. Extractions for the recovery of Am and lanthanides were carried out successfully using a salt melt made from a simulated waste solution which contained nitric acid.