Digital image-based colourimetric tests for amphetamine and methylamphetamine
Choodum, Aree and Daeid, Niamh Nic (2011) Digital image-based colourimetric tests for amphetamine and methylamphetamine. Drug testing and analysis, 3 (5). pp. 277-282. ISSN 1942-7603 (https://doi.org/10.1002/dta.263)
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Digital image analysis was applied to the products of simple colourimetric tests for amphetamine and methylamphetamine. Adobe Photoshop software was used for colour analysis to obtain analytical data in the form of a Red Green Blue (RGB) value. Calibration curves were developed for each compound and a number of illicit amphetamine samples were analyzed to demonstrate the application of the technique. A wide linear range and low detection limit for both drugs under test facilitated the application to illicit samples. Good agreement with gas chromatographic quantification results was obtained for the illicit samples analyzed by this method. The results show great potential for use as a semi-quantitative field test for illicit drug compounds.
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Item type: Article ID code: 33455 Dates: DateEventMay 2011PublishedSubjects: Science > Chemistry Department: Faculty of Science > Pure and Applied Chemistry Depositing user: Pure Administrator Date deposited: 19 Sep 2011 09:07 Last modified: 08 Apr 2024 19:23 Related URLs: URI: https://strathprints.strath.ac.uk/id/eprint/33455