Complexation equilibria between niobium(V) and 4-(4′H-1′,2′,4′-triazolyl-3′-azo)-2-methylresorcinol. Extraction-spectrophotometric determination of niobium in pyrochlore-bearing rocks
- Sánchez, Ma.J.
- Francisco, A.
- Jiménez, F.
- Montelongo, F.G.
ISSN: 0039-9140
Year of publication: 1989
Volume: 36
Issue: 8
Pages: 831-836
Type: Article