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  2. Dry ice - Wikipedia

    en.wikipedia.org/wiki/Dry_ice

    Dry ice is the solid form of carbon dioxide (CO 2), a molecule consisting of a single carbon atom bonded to two oxygen atoms. Dry ice is colorless, odorless, and non-flammable, and can lower the pH of a solution when dissolved in water, forming carbonic acid (H 2 CO 3). [1]

  3. Melanocytic nevus - Wikipedia

    en.wikipedia.org/wiki/Melanocytic_nevus

    Electric currents are set to a level such that they only reach the outermost layers of the skin, thus reducing the problem of scarring. Approximately 1–3 treatments may be needed to completely remove a mole. Typically, a local anesthetic is applied to the treated skin area before beginning the mole removal procedure. [30]

  4. Cryosurgery - Wikipedia

    en.wikipedia.org/wiki/Cryosurgery

    A ball of ice crystals forms around the probe which results in freezing of nearby cells. When it is required to deliver gas to various parts of the tumor, more than one probe is used. After cryosurgery, the frozen tissue is either naturally absorbed by the body in the case of internal tumors, or it dissolves and forms a scab for external tumors.

  5. Is that mole melanoma? How to tell if a mole is cancerous or not

    www.aol.com/news/mole-melanoma-tell-mole...

    The ABDCE rule is a common way to tell whether a mole may be melanoma. Melanoma pictures. The ABDCE rule, as well as pictures of melanoma, can help you identify whether you should see a doctor for ...

  6. List of cooling baths - Wikipedia

    en.wikipedia.org/wiki/List_of_cooling_baths

    Dry ice: Tetrachloroethylene-22 Dry ice: Carbon Tetrachloride-23 Dry ice: 1,3-Dichlorobenzene-25 Dry ice: o-Xylene-29 Liquid N 2: Bromobenzene-30 Dry ice: m-Toluidine-32 Dry ice: 3-Heptanone-38 Ice: Calcium chloride hexahydrate -40 1 to 0.8 ratio of salt to ice. Dry ice: Acetonitrile-41 Dry ice: Pyridine-42 Dry ice: Cyclohexanone-46 Dry ice: m ...

  7. Cooling bath - Wikipedia

    en.wikipedia.org/wiki/Cooling_bath

    Both flasks are submerged in a dry ice/acetone cooling bath (−78 °C) the temperature of which is being monitored by a thermocouple (the wire on the left). A cooling bath or ice bath , in laboratory chemistry practice, is a liquid mixture which is used to maintain low temperatures, typically between 13 °C and −196 °C.

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  9. Cold trap - Wikipedia

    en.wikipedia.org/wiki/Cold_trap

    Liquid nitrogen is only used when dry ice or other cryogenic approaches will not condense the desired gasses since liquid nitrogen will also condense oxygen. Any oxygen gas content in the vacuum line or any leak in the vacuum line will result in liquid oxygen mixed with the target vapors, often with explosive results.