All of the following method used for detecting heavy metals, except :
B i.e. Paraffin Test Paraffin or Dermal Nitrate test is now an obsolete test, which was used earlier to determine if a suspect had discharged a fire arm by testing for presence of nitrate not heavy metals.Q
Harrison & Gilroy test
Paraffin test
Neutron activation analysis
Atomic adsorption spectrospcopy