Abstract
Silver(I) extraction from nitrate solutions by Cyanex 471 X (triisobutylphosphine sulphide) was investigated. The optimal conditions of silver(I) removal were determined depending on the concentration of purified salts, concentration of nitric acid, concentration of Cyanex 471X, kind of diluent and modifier, as well as phase contact time. Silver(I) extraction isotherms, using 2.5 and 5% Cyanex 471X and D2EHPA or TBP, were determined depending on nitric acid concentration. In the case of a 6 M HNO 3 solution a rapid decomposition of Cyanex 471X was observed. The removal of Ag(I) from solutions containing Cu(II), Zn(II), Bi(III) and Fe(III) was studied. It was found that Cyanex 471X could reduce the silver content in the purified salts to below 10 −5%.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
