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TGA–DTG thermographs of all the manufactured films (C is the pure chitosan film, CX is the chitosan/xanthan gum blend film, CXZ1 is the chitosan/xanthan gum blend incorporated with 1 wt % ZnO nanoparticles, CXZ3 is the chitosan/xanthan gum blend incorporated with 3 wt % ZnO nanoparticles, and CXZ5 is the chitosan/xanthan gum blend incorporated with 5 wt % ZnO nanoparticles).
