Cocaine Purity test - Dope or Nope

Cocaine Purity Test by Dope or Nope: reading colour depth An identification test tells you which substance a powder probably holds. This kit goes a step further and gives an impression of how much cocaine sits in your sample. The pack contains an ampoule with reagent, an extra buffer and a colour chart that lines up the possible results. Running the test takes a couple of minutes and needs no equipment at all. The method rests on colour depth. The reagent reacts with the cocaine in the sample...