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Author: Charlie Cooke
Photo size: 3.1 Mpixels (8.81 MB uncompressed) - 1793x1717 pixels (6x5.7 in / 15.2x14.5 cm at 300 ppi)
Photo keywords: 30 seconds, chemical tests, hydroxybutyric acid, marquis test, Sam Drake, University of Derby
Published in: Chemical tests