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To administer the test, a user simply has to mix the chemicals with a particle of the suspected substance; if the chemicals turn purple, this indicates the possibility of marijuana. But the color variations can be subtle, and readings can vary by examiner. It was adopted in the 1950s by the United Nations as the preferred test for cannabis ...
Cannabis in Sudan is illegal. [1] The drug was banned in 1924 during the Condominium Period of Anglo-Egyptian Sudan. [2] [3] “According to the General Office for Combating Drugs in Khartoum, Sudan is the largest producer of cannabis in Africa. The Office reported on Friday that most of the cannabis is cultivated in South Darfur’s El Radoom ...
The test was initially developed in the 1930s by the French medical biochemist Pierre Duquénois (1904–1986) and was adopted in the 1950s by the United Nations as the preferred test for cannabis. The test was originally claimed to be specific to cannabis. After several modifications, it became known as the Duquenois–Levine test.
The 4/20 holiday is this weekend, and if you choose to celebrate, please do so safely. But also, be wary of coming drug tests.
An African man who contracted a contagious new strain of mpox known as Clade 1b is speaking out about the harrowing symptoms of the viral infection.
Pseudomonas cannabina is a gray, Gram-negative, fluorescent, motile, flagellated, aerobic bacterium that causes leaf and stem rot of hemp (Cannabis sativa), [1] from which it derives its name. It was formerly classified as a pathovar of Pseudomonas syringae, but following ribotypical analysis, it was reinstated as a species. [2] The type strain ...
Cannabis product testing is a form of product testing analyzes the quality of cannabis extracts, edibles, and THC and CBD levels in an emergent consumer market eager to sell adult use products. [1] Analytical chemistry and microbiology laboratories are important entities in consumer protection.
A 2012 review of cannabis use and dependency in the United States by Danovitch et al said that "42% of persons over age 12 have used cannabis at least once in their lifetime, 11.5% have used within the past year, and 1.8% have met diagnostic criteria for cannabis abuse or dependence within the past year. Among individuals who have ever used ...