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Biologically usefull technetium nucleuii at wt 99 have half

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Biologically usefull technetium nucleuii (at wt 99) have half life of 6 hours. A solution containing 10^-12 gram of this is injected into the bladder of a patient.

Find the activity at the begning and after 1 hour?

Reference no: EM13585036

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