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Author: Charlie Cooke
Photo size: 2.5 Mpixels (7.08 MB uncompressed) - 1561x1585 pixels (5.2x5.3 in / 13.2x13.4 cm at 300 ppi)
Photo keywords: 1 minute, chemical tests, cobalt isothiocyanate, cocaine, Sam Drake, University of Derby
Published in: Chemical tests