Microwave-Assisted Preparation of Biodegradable Water Absorbent Polyacrylonitrile/Montmorillonite Clay Nanocomposite
Figure 5
UV-visible spectra of (a) Co(II)(NO2)2, (b) [Co(III)(en)2·(NO2)2]NO3, (c) [Co(III)(en)2(NO2)2]NO3 + AN, (d) [Co(III)·(en)2(NO2)2]NO3 + AN + APS before reaction, and (e) [Co(III)(en)2(NO2)2]NO3 + AN + APS after reaction.
