Choose from the following reagents:

• Nitric acid reagent is designed to differentiate between Heroin/Morphine
• Cobalt-Thiocyanate reagent will identify Cocaine, Procaine and Tetracaine
• Mandelin reagent is for Methadone, Amphetamines or Methamphetamine
• Duquenois reagent is for THC
• Modified Cobalt-Thiocyanate reagent is a more specific field test for Cocaine and will distinguish between Cocaine HCl and Cocaine Base
• Sodium Nitroprusside reagent is designed for Methamphetamine and MDMA (Ecstasy)