Detecting the THC molecule in room air

  1. Is there a material or chemical substance that would have a visable change of any kind when exposed to THC? For example-something I can put in a room and detect if anyone is smoking pot in that area?
  2. jcsd
  3. berkeman

    Staff: Mentor

    Welcome to the PF.

    It looks like there are lots of test kits for saliva and so on:

    But I'm not sure what the best way would be for airborne testing. Does the room have a central air heating/conditioning unit feeding it? If so, you might be able to test the particulates caught by the filter...
  4. SteamKing

    SteamKing 11,033
    Staff Emeritus
    Science Advisor
    Homework Helper

    Most people use the Mark I Mod 0 Nasal Atmospheric Delivery System and Olfactory Sampling Device, or their nose.
  5. The US border control and police have a device that can accurately detect trace amounts of drugs by sampling the air, and signals detection with a visible change. The device is a dog.
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