Figure 1.
Comparative FTIR pattern of carvedilol and Chitosan based hydrosols, solid dispersions and co grinding mixture.A. chitosan, B. Carvedilol, C.0.2% chitosan hydrosols, D. 0.4% Ch-chlorhydrate hydrosols, E. SD 0.4% chitosan, F. SD 0.8% Ch-chlorhydrate, G. 0.4% chitosan cogrind mixture, H. 0.4% ch-chlorhydrate cogrind mixture.