Record Details

SEPARATION OF NIOBIUM FROM CHLORIDE MEDIA BY SOLVENT-EXTRACTION WITH DICYCLOHEXYL-18-CROWN-6

DSpace at IIT Bombay

View Archive Info
 
 
Field Value
 
Title SEPARATION OF NIOBIUM FROM CHLORIDE MEDIA BY SOLVENT-EXTRACTION WITH DICYCLOHEXYL-18-CROWN-6
 
Creator DEORKAR, NV
KHOPKAR, SM
 
Subject niobium
solvent extraction
crown ether
separation
spectrophotometry
 
Description Niobium was quantitatively extracted from 7-10 mol dm-3 hydrochloric acid with 2.0 x 10(-2) mol dm-3 dicyclohexyl-18-crown-6 in dichloromethane. The metal was stripped from the organic phase with 0.1 mol dm-3 sulphuric acid and determined spectrophotometrically at 540 nm as its complex with 4-(2-thiazolylazo)resorcinol. This method permits the sequential separation of niobium from vanadium, tantalum, zirconium, hafnium and iron.
 
Publisher ROYAL SOC CHEMISTRY
 
Date 2011-08-28T18:04:58Z
2011-12-26T12:58:09Z
2011-12-27T05:47:37Z
2011-08-28T18:04:58Z
2011-12-26T12:58:09Z
2011-12-27T05:47:37Z
1991
 
Type Article
 
Identifier ANALYST, 116(9), 961-963
0003-2654
http://dx.doi.org/10.1039/an9911600961
http://dspace.library.iitb.ac.in/xmlui/handle/10054/11808
http://hdl.handle.net/10054/11808
 
Language en