![]() ![]() Once mixed and heated, the bicarbonate reacts with the hydrochloride of the powder cocaine, forming free base cocaine and (H 2CO 3) in a reversible acid-base reaction. This process is frequently done with baking soda (sodium bicarbonate), water, and a spoon. The net reaction when using sodium bicarbonate is Coc-H +Cl − + NaHCO 3 → Coc + H 2O + CO 2 + NaCl With: Coc-H +Cl − + NH 4HCO 3 → Coc + + CO 2 + H 2O With: 2(Coc-H +Cl −) + (NH 4) 2CO 3 → 2 Coc + 2 NH 4Cl + CO 2 + H 2O Crack cocaine is frequently purchased already in rock form, although it is not uncommon for some users to 'wash up' or 'cook' powder cocaine into crack themselves. (NaHCO 3, common baking soda) is a base used in preparation of crack, although other may substitute for it. ![]() Use of toxic adulterants such as has been documented.Ī close up of the 'cooking' process that creates crack. Crack cocaine as sold on the streets may be or 'cut' with other substances mimicking the appearance of crack cocaine to increase bulk. Purer forms of crack will sink in water or melt at the edges when near a flame (crack vaporizes at 90 ☌, 194 ☏). A crack rock acts as a (see: ), numbing the tongue or mouth only where directly placed. Purer forms of crack resemble a hard brittle plastic, in crystalline form (snaps when broken). ![]()
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