Test A - General Screening
Marquis Reagent: Primary general screening test for the presumptive identification of Opiates (Morphine, Codeine or Heroin), Demerol, Black Tar, Amphetamine-type compounds including Methamphetamine & Methylenedioxymethamphetamine (MDMA or Ecstacy), Amphetamines and as a general screening agent for other drugs.
