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  2. Radon - Wikipedia

    en.wikipedia.org/wiki/Radon

    Radon is a chemical element; it has symbol Rn and atomic number 86. It is a radioactive noble gas and is colorless and odorless. Of the three naturally occurring radon isotopes, only radon-222 has a sufficiently long half-life (3.825 days) for it to be released from the soil and rock where it is generated.

  3. Proportional counter - Wikipedia

    en.wikipedia.org/wiki/Proportional_counter

    The proportional counter is a type of gaseous ionization detector device used to measure particles of ionizing radiation.The key feature is its ability to measure the energy of incident radiation, by producing a detector output pulse that is proportional to the radiation energy absorbed by the detector due to an ionizing event; hence the detector's name.

  4. Gaseous ionization detector - Wikipedia

    en.wikipedia.org/wiki/Gaseous_ionization_detector

    Gaseous ionization detectors are radiation detection instruments used in particle physics to detect the presence of ionizing particles, and in radiation protection applications to measure ionizing radiation . They use the ionising effect of radiation upon a gas-filled sensor. If a particle has enough energy to ionize a gas atom or molecule, the ...

  5. Health effects of radon - Wikipedia

    en.wikipedia.org/wiki/Health_effects_of_radon

    The health effects of radon are harmful, and include an increased chance of lung cancer. Radon is a radioactive, colorless, odorless, tasteless noble gas, which has been studied by a number of scientific and medical bodies for its effects on health. A naturally-occurring gas formed as a decay product of radium, radon is one of the densest ...

  6. Ionization chamber - Wikipedia

    en.wikipedia.org/wiki/Ionization_chamber

    The ionization chamber is the simplest type of gaseous ionisation detector, and is widely used for the detection and measurement of many types of ionizing radiation, including X-rays, gamma rays, alpha particles and beta particles. Conventionally, the term "ionization chamber" refers exclusively to those detectors which collect all the charges ...

  7. Lucas cell - Wikipedia

    en.wikipedia.org/wiki/Lucas_cell

    The inside of the gas chamber is coated with ZnS - a chemical that emits light when struck by alpha particles. A photomultiplier tube at the top of the chamber counts the photons and sends the count to a data logger. Radon measurement. A Lucas cell can be used to measure radon gas concentrations. Radon itself is an inert gas.

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