<prompt> Name the test and is used forNeutron activation analysis for firearm useLie test for Firearm injuryBenzidene test for blood stainToludene blue test  <response>: Neutron activation analysis NAA : This is a test used for estimation of distance of firing and confirming the hands of those suspected of firing a firearm. The test can detect barium, copper, antimony, etc. from the primer present in the firearm discharge residue, which are activated in a nuclear reactor and then identified by the gamma ray spectrometer. Other tests are: Dermal nitrate test Harrison and gilroy test Neutron activation analysis NAA Image analysis of gunshot residue IA GSR Sodium rhodizonate test 