Gamma Ray Constant (Г)

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    By using the given Specific Gamma Ray Constant the intensity of a source can easily be calculated.

  • What is the dose rate from a 100 mCi Co-60 source at 1 meter?


    • Г/10 = 1.32R-m2 /Ci/hr for Co-60
    • 100 mCi = 0.1 Ci
    • 0.1 Ci x 1.32R-m2 /Ci/hr = 0.132 R/hr at 1 meter = 132 mR/hr at 1 meter


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