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    skauffman

    Krypton 81 Is Used For Lung Ventilation Studies ; It's Half Life Is 13 Secs - How Long Does It Take The Activity Of This Isotope To Reach 1/4 Of It's Value?

    Krypton 81 is used for lung ventilations studies; it's half life is 13 seconds - ow long does it take this isotope to reach 1/4 of it's value

    asked 1 year ago

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    JRuberto

    26 seconds is the half life.

    answered 11 months ago   

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