Vol. 7, Issue 2 (2019)
Studies on involvement of backbone of a polymer to bind cupric ion at lower pH
![Structure of guargum](https://www.chemijournal.com/up/graphics/5149/20020110003851490.jpeg)
Fig. 1: Structure of guargum
![UV absorption spectra for aqueous solution of G-g-Am using water as reference.](https://www.chemijournal.com/up/graphics/5149/20020110003851491.jpeg)
Fig. 2: UV absorption spectra for aqueous solution of G-g-Am using water as reference.
![UV absorption spectra for the mixture of G-g-Am and Cu(NO3)2 solutions using Cu(NO3)2 solution as reference](https://www.chemijournal.com/up/graphics/5149/20020110003851492.jpeg)
Fig. 3: UV absorption spectra for the mixture of G-g-Am and Cu(NO3)2 solutions using Cu(NO3)2 solution as reference
![Plot of ultrasonic velocity Vs. concentration of Cu(NO3)2 solution in volume % in the mixture. (-) for experimental curve and (---) for hypothetical non-interaction line.](https://www.chemijournal.com/up/graphics/5149/20020110003851493.jpeg)
Fig. 4: Plot of ultrasonic velocity Vs. concentration of Cu(NO3)2 solution in volume % in the mixture. (-) for experimental curve and (---) for hypothetical non-interaction line.