NARK Fentanyl Reagent presumptive test is designed to identify either Fentanyl or Acetyl-fentanyl which is commonly cut into Heroin or sold as a stand alone substance. Fentanyl ...

A specific field test designed to presumptively identify synthetic opiates like Oxycodone, and Hydro-codone. If the substance is found in a tablet or capsule form, reduce to powder ...