What is the duquenois-Levine test is used for?

The Duquenois-Levine test is a chemical test used to detect the presence of cannabinoids, primarily THC, in marijuana and other cannabis products. It involves a series of reactions that produce a color change, typically resulting in a purple coloration when cannabinoids are present. This test is widely used in forensic science and law enforcement to identify cannabis in suspected samples. However, it is not specific to THC and can yield positive results for other substances, leading to potential false positives.