Gun powder on body and clothing can be
visualized by?
a) Harrison and Gilroy test
b) Neutron activation analysis
c) Dermal nitrate test
d) All of the above
Correct Answer - D
Ans. is ‘d’ i.e., All of the above [Ref Parikh ele p. 4.39]
Tests used in firearm discharge :
Based on detection of nitrate : Dermal nitrite (Paraffin) test.
Based on detection of heavy metal : Harrison and Gilroy test,
neutron activation analysis, Atomic obsorption spectroscopy, and
flameless atomic absorption spectroscopy.