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7958687 
Journal Article 
Extractive determination of cobalt (II) using tri-iso-octylamine 
Mondal, HK; Sarkar, B; Basu, S 
2002 
1 
Indian Journal of Chemistry. Section A
ISSN: 0376-4710
EISSN: 0975-0975 
41 
5 
985-987 
English 
WOS:000175762100018 
A selective and quantitative extraction method for the determination of cobalt(II) using tri-iso-octylamine (TIOA), a high molecular weight tertiary amine, into cyclohexane from aqueous hydrochloric acid medium has been developed. The effects of concentration of HCl, extractant, metal ions, role of various diluents and diverse ions on the extraction of cobalt have been studied. The method has been successfully applied to the estimation of cobalt in several ores and pharmaceutical drug samples.