Health & Environmental Research Online (HERO)


Print Feedback Export to File
7854481 
Journal Article 
SEPARATION OF NIOBIUM AND TANTALUM ON POLYURETHANE FOAM PRETREATED WITH DIANTIPYRYLMETHANE, TBP OR MIBK 
Caletka, R; Krivan, V 
1985 
0 
Fresenius' Zeitschrift für Analytische Chemie
ISSN: 0016-1152 
321 
1 
61-64 
English 
WOS:A1985AHA1300010 
The separation of niobium and tantalum from each other and of these from other elements by extraction chromatography, has been investigated by the radiotracer technique. Columns made of polyurethane foam pretreated with diantipyrylmethane, tri-n-butyl phosphate, and methyl isobutyl ketone were employed. The separation was carried out in HF and HF/H2SO4 media. A quantitative separation was achieved for all elements investigated. © 1985 Springer-Verlag.