All of the following method used for detecting heavy metals, except :: (A) Harrison & Gilroy test, (B) Paraffin test, (C) Neutron activation analysis, (D) Atomic adsorption spectrospcopy
Answer is B. 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