text: *Acid phosphatase test for semen
  *Cobalt thiocyanate test for cocaine
  *Duquenois-Levine reagent for cannabis
  *Kastle-Meyer test for blood
  *Malachite green test for blood
  * Marquis reagent for narcotics and alkaloids
  * Benzidine test for blood which changes from clear to blue in color with the presence of blood
  * Luminol, phenolphthalein, Hemastix, Hemident, and Bluestar are all also used for blood testing