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  2. Cannabis drug testing - Wikipedia

    en.wikipedia.org/wiki/Cannabis_drug_testing

    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 ...

  3. Duquenois–Levine reagent - Wikipedia

    en.wikipedia.org/wiki/Duquenois–Levine_reagent

    The Duquenois reagent is used in the Rapid Modified Duquenois–Levine test (also known as the simple Rapid Duquenois Test), which is an established screening test for the presence of cannabis. 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 ...

  4. Cannabis product testing - Wikipedia

    en.wikipedia.org/wiki/Cannabis_product_testing

    In 2015, the first government standards for testing were proposed in Colorado's legislature, when potency and microbial testing became mandatory in the state. [11] [12] [13] Colorado cannabis testing laboratories, such as AgriScience Labs, are regulated by the Colorado Department of Revenue's Marijuana Enforcement Division and the Colorado Department of Public Health and Environment. [14]

  5. Home test kits can detect marijuana in cannabis products ...

    www.aol.com/news/home-test-kits-detect-marijuana...

    Does that product contain an illegal level of THC? This will help you find out.

  6. Marijuana breathalyzer startup conducts roadside test trials ...

    www.aol.com/2016-09-16-marijuana-breathalyzer...

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  7. Sensory analysis - Wikipedia

    en.wikipedia.org/wiki/Sensory_analysis

    Sensory analysis (or sensory evaluation) is a scientific discipline that applies principles of experimental design and statistical analysis to the use of human senses (sight, smell, taste, touch and hearing) for the purposes of evaluating consumer products. This method of testing products is generally used during the marketing and advertising ...

  8. NJ legal weed: Find your nearest dispensary for recreational, medical marijuana. If drivers test positive to 3 nanograms or more of THC — the cannabis component that gets people high — they ...

  9. Drug test - Wikipedia

    en.wikipedia.org/wiki/Drug_test

    Urine drug test kits are available as on-site tests, or laboratory analysis. Urinalysis is the most common test type and used by federally mandated drug testing programs and is considered the Gold Standard of drug testing. Urine based tests have been upheld in most courts for more than 30 years.