World History Archive May 2016 59-69
EN_01212690_0027
![World History Archive May 2016 59-69](img/medium/arch24/dvd0350/12/EN_01212690_0027.jpg)
Editorial Use Only
Duquenois-Levine Test: Step 2: Addition of hydrochloric acid. The Duquenois reagent is used in the Rapid Modified Duquenois-Levine test, an established screening test for the presence of marijuana. The test was initially developed in the 1930s by Pierre Duquenois, and was adopted in the 1950s by the United Nations as the preferred test for cannabis
2016-05-17
East News
Image Asset Management
WHA_067_0027
1,03MB
36cm x 42cm by 300dpi
1950S, 2, ACID, ADDITION, ADOPTED, AN, AND, AS, BY, CANNABIS, DEVELOPED, DRUGS, DUQUENOIS, DUQUENOIS-LEVINE, ESTABLISHED, FOR, HYDROCHLORIC, IN, INITIALLY, IS, MARIJUANA, MODIFIED, NARCOTICS, NATIONS, OF, PIERRE, PREFERRED, PRESENCE, RAPID, REAGENT, SCREENING, STEP, TEST, THE, UNITED, USED, WAS,