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Author: Charlie Cooke
Photo size: 2.5 Mpixels (7.26 MB uncompressed) - 1720x1476 pixels (5.7x4.9 in / 14.6x12.5 cm at 300 ppi)
Photo keywords: 30 seconds, chemical tests, marquis test, norcodeine, Sam Drake, University of Derby
Published in: Chemical tests