Abstract
Chelating polymer bearing 2-(2-diazolylazo)phenol moiety was synthesized and its metal adsorption properties for 6 divalent heavy metal ions (M2+): Co2+, Ni2+, Cu2+, Zn2+, Cd2+ and Pb2+ were investigated. The polymer changed color from orange yellow to blue or to red violet with its chelation to Cu2+ or to Ni2+, respectively. The maximum capacity of the polymer for Cu2+ was found to be 1.35 meq/ginpH 5.71 solution. The degrees of saturation of the capacity of the polymer after shaking for 30 min were 71.3 and 83.6% for the adsorptions of Zn2+ and Cu2+, respectively. The capacity of the polymer for M2+ hardly varied with the presence of alkali or alkaline earth metal ions. The elimination of metals from the polymer-M2+ chelates was achieved with 4 mol/1 HCl or 4 mol/1 H2SO4 solution.
Sign-in/Register to access full text options 
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.
