16.5 MB (1.2 MB compressed)
2967 x 1939 pixels
25.1 x 16.5 cm ⏐ 9.9 x 6.5 in (300dpi)
MICHAEL ABBEY / SCIENCE PHOTO LIBRARY MICHAEL ABBEY / SCIENCE PHOTO LIBRARY
Cocaine preparation. Anhydrous ammonia crystallization. The illegal drug cocaine is derived from the leaves of the coca plant that have peen pulverized into a paste. Anhydrous ammonia is added to remove alkaloids from the paste. The crystallized cocaine is then dried under heating lamps or in microwave ovens to produce cocaine hydrochloride, cocaine in its powdered form.
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