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Author: Charlie Cooke
Photo size: 2.3 Mpixels (6.46 MB uncompressed) - 1502x1503 pixels (5x5 in / 12.7x12.7 cm at 300 ppi)
Photo keywords: 30 seconds, chemical tests, cobalt isothiocyanate, heroin, Sam Drake, University of Derby
Published in: Chemical tests