| Operation Purple monitors potassium permanganate, a critical chemical in the oxidising of crude cocaine base into cocaine hydrochloride. |
| Add a crystal or two of potassium permanganate, and wait till it settles, and examine the sediment for diatoms with a microscope. |
| Crystals of iodine as opposed to permanganate of potash for antiseptic he discussed. |
| Potassium permanganate incubation caused loss of reactivity with Congo red. |
| Potassium permanganate is widely used as a water purifier, disinfectant and bleaching agent. |
| Table III shows chlorine to be approximately five times as active as potassium permanganate when compared on this basis. |
