No. The Duquenois-Levine test kit gives a presumptive positive for Cannabis plant material. If this test is negative, there is no need to proceed further with a Cannabis Typification or 4-AP field test.
No. The Duquenois-Levine test kit gives a presumptive positive for Cannabis plant material. If this test is negative, there is no need to proceed further with a Cannabis Typification or 4-AP field test.