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  2. Construction of electronic cigarettes - Wikipedia

    en.wikipedia.org/wiki/Construction_of_electronic...

    E-cigarettes that resemble pens or USB memory sticks are also sold that may be used unobtrusively. [12] There are three main types of e-cigarettes: cigalikes, looking like cigarettes; eGos, bigger than cigalikes with refillable liquid tanks; and mods, assembled from basic parts or by altering existing products. [13]

  3. 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.

  4. Electronic cigarette - Wikipedia

    en.wikipedia.org/wiki/Electronic_cigarette

    Some cannabis pens, known as "dab pens", contain cannabis extracted using butane as solvent ("butane hash oil"). Other vaporizers contain e-liquid made with pure THC, and they generally resemble conventional e-cigarettes. A 2020 study shows that one third of teenagers engaged in conventional, tobacco vaping also engage in THC vaping. [437]

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  6. Composition of electronic cigarette aerosol - Wikipedia

    en.wikipedia.org/wiki/Composition_of_electronic...

    In 2021, researchers at Johns Hopkins University analyzed the vape aerosols of popular brands such as Juul and Vuse, and found "nearly 2,000 chemicals, the vast majority of which are unidentified." [ 24 ] E-cigarette vapor contains many of the known harmful toxicants found in traditional cigarette smoke , such as formaldehyde , cadmium , and ...

  7. Vaporizer (inhalation device) - Wikipedia

    en.wikipedia.org/wiki/Vaporizer_(inhalation_device)

    This is an accepted version of this page This is the latest accepted revision, reviewed on 25 January 2025. Device to vaporize substances for inhalation A vaporization heat wand and vaporization chamber bowl used to deliver vapor through a water pipe A vaporizer or vaporiser, colloquially known as a vape, is a device used to vaporize substances for inhalation. Plant substances can be used ...

  8. Blu (electronic cigarette) - Wikipedia

    en.wikipedia.org/wiki/Blu_(electronic_cigarette)

    The myBlu product line was first launched in 2018, [18] and expanded to an extensive range including pod vaporizers, refillable vaporizers, and disposable electronic cigarettes. Users can vape either pre-filled liquidpods, pre-filled e-cigarette cartridges, or insert their own brand e-liquids. myBlu is recognizable by its simple, sleek design ...

  9. List of vaping bans in the United States - Wikipedia

    en.wikipedia.org/wiki/List_of_vaping_bans_in_the...

    Though the city-wide smoking ban remains intact, the vaping ban itself was lifted in 2016 due to a state law which was passed then, prohibiting e-cigarettes and vape products from being regulated in the same way as tobacco. In 2019 the city-wide vaping ban was reinstated, via a separate ordinance, by a unanimous vote from the City Council. [19 ...