A biggest problem in forensic science division is
because of getting little number of criminal evidences.
So, effective characterization tool is an urgent
issue of any forensic laboratory to reveal original
facts at scene even the specimen volume is low.
XRD has popularly used for analyzing different forensic
substances of interest. Although there are
manyXRD techniques, but X-ray powder diffraction
is proportionally easy and simple and have commonly
used to characterize various powder samples
in forensic science laboratories (Fig. 2) [154,155].
It is popular becausemost of the evidences of criminals
may often small (a few