Fig. 6

XRD diffractograms of (a) ChNPs solution free of NaF, (b) NaF free of ChNPs, (c) ChNPs solution mixed with 0.05%NaF and (d) ChNPs solution mixed with 2%NaF.
XRD diffractograms of (a) ChNPs solution free of NaF, (b) NaF free of ChNPs, (c) ChNPs solution mixed with 0.05%NaF and (d) ChNPs solution mixed with 2%NaF.