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![sd2016_0023](http://d3e1m60ptf1oym.cloudfront.net/a0668e12-95c9-4226-9437-1d8233e1cfd6/sd2016_0023_uxga.jpg)
![sd2016_0022](http://d3e1m60ptf1oym.cloudfront.net/7937464a-2bbe-4dbf-9378-b4df2f6f129a/sd2016_0022_uxga.jpg)
Author: Charlie Cooke
Photo size: 16.1 Mpixels (46 MB uncompressed) - 4928x3264 pixels (16.4x10.9 in / 41.7x27.6 cm at 300 ppi)
Photo keywords: chemical tests, heroin, microcrystalline test, platinic chloride, Sam Drake, University of Derby
Published in: Chemical tests
![sd2016_0021](http://d3e1m60ptf1oym.cloudfront.net/28902b08-4a1f-48d3-be4b-4475e0ed46a6/sd2016_0021_uxga.jpg)