The isotope 95 43 Tc has a half-life of 61 d and is sometimes used as a

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The isotope 9543Tc has a half-life of 61 d and is sometimes used as a radioactive tracer in plant and animal systems. If a spiny lobster is given an activity of 0.852 µCi with 9543Tc, how much time will elapse before its activity falls below a 0.100 µCi detection limit?

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Physics

ISBN: 978-0321976444

5th edition

Authors: James S. Walker

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