J Forensic Sci. 1979 Oct;24(4):817-41.

The value of the Duquénois test for cannabis--a survey.

Abstract

The Duquénois test is employed throughout the world as part of the identification procedure for cannabis. A survey of results published for more than 400 herbally derived and botanical materials originating from some 270 different plant species is presented. A survey of results from some 200 organic compounds is also presented. The data show that the D-L modification is the most specific. There is no published report of an obviously botanical material, apart from cannabis, that gives a positive D-L test. Apart from cannabinoids, some resorcinol derivatives give a positive test. All of the materials are easily distinguished from cannabis by TLC.

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The value of the Duquénois test for cannabis--a survey.
The value of the Duquénois test for cannabis--a survey.
J Forensic Sci. 1979 Oct ;24(4):817-41.

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The value of the Duquénois test for cannabis--a survey.

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