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  2. Duquenois–Levine reagent - Wikipedia

    en.wikipedia.org/wiki/Duquenois–Levine_reagent

    The reagent can be prepared by adding 2 grams of vanillin and 2.5 milliliters of acetaldehyde to 100 milliliters of ethanol. [6]The test is performed by placing approximately 10 to 20 milligrams of a target substance in a glass test tube, then 10 drops of the Duquenois reagent.

  3. Cannabis drug testing - Wikipedia

    en.wikipedia.org/wiki/Cannabis_drug_testing

    THC, the main psychoactive component of cannabis, may only be detectable in saliva and oral fluid for 2–24 hours in most cases. [8] [9] The main metabolite excreted in the urine is 11-Nor-9-carboxy-THC, also known as THC-COOH. Most cannabis drug tests yield a positive result when the concentration of THC-COOH in urine exceeds 50 ng/mL. [10]

  4. List of countries by annual cannabis use - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by...

    World map of annual cannabis prevalence. This is a list of the annual prevalence of cannabis use by country (including some territories) as a percentage of the population. The indicator is an "annual prevalence" rate which is the percentage of the youth and adult population who have consumed cannabis at least once in the past survey year.

  5. How much weed can you legally buy in Missouri? The ... - AOL

    www.aol.com/news/much-weed-legally-buy-missouri...

    Three ounces of marijuana is illustrated by 24 jars containing 3.5 grams of flower at Fresh Green Dispensary on Friday, Feb. 3, 2023, in Kansas City.

  6. Are there still penalties for weed in Missouri? What ... - AOL

    www.aol.com/news/still-penalties-weed-missouri...

    If a person gets caught up in Clay, Platte or Cass counties, there is still a chance that they could be charged for violating state laws if they are caught with more than 10 grams of marijuana.

  7. Legality of cannabis by U.S. jurisdiction - Wikipedia

    en.wikipedia.org/wiki/Legality_of_cannabis_by_U...

    Timeline of Gallup polls in US on legalizing marijuana. [1]In the United States, cannabis is legal in 39 of 50 states for medical use and 24 states for recreational use. At the federal level, cannabis is classified as a Schedule I drug under the Controlled Substances Act, determined to have a high potential for abuse and no accepted medical use, prohibiting its use for any purpose. [2]

  8. Tincture of cannabis - Wikipedia

    en.wikipedia.org/wiki/Tincture_of_cannabis

    Tincture of cannabis, sometimes known as green dragon, is an alcoholic cannabis concentrate.The solubility of THC in ethanol is greater than 1 g/mL. [1]According to the European Medicines Agency (EMA) cannabis tinctures (tincturea) are a type of liquid cannabis extract obtained using ethanol, water, glycerol, propylene glycol and fatty oils as extraction solvents, depending on the type of ...

  9. Legality of cannabis - Wikipedia

    en.wikipedia.org/wiki/Legality_of_cannabis

    Possession of up to 20 g (3 ⁄ 4 oz) of marijuana or 5 g (3 ⁄ 16 oz) of genetically modified marijuana for commercial purposes is punishable by 1–2 years in prison at judge's discretion. If deemed to be for personal consumption, the user is subject to security measures involving rehabilitation and detoxification procedures.