File:Duquenois levine step2.jpg

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	16:23, 4 February 2008		1,200 × 1,600 (72 KB)	Itub	{{Information \|Description=Duquenois-Levine test \|Source=http://www.dea.gov/images_lab_processes.html \|Date=2008-02-04 \|Author=US DEA \|Permission=http://www.dea.gov/multimedia.html (public domain) }} Category:Analytical chemistry [[Category:Marijuana]

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