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Read the Operating Instructions for the Cs/Ba-137m Isotope Generator. Place a watch glass under the radio...

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Physics

Read the Operating Instructions for the Cs/Ba-137m IsotopeGenerator. Place a watch glass under the radio nuclide cow andelute a few drops of radioactive barium 137 onto the filter paper.Place your sample under the Geiger tube immediately after elution.Any delay will result in loss of accuracy. Why?

Answer & Explanation Solved by verified expert
4.4 Ratings (782 Votes)
For Barium 137 the half life is very less So it decays veryquickly to its stable ground state by the emission of a 0662 MeVgamma rayFor Ba 137 half life t12    See Answer
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