Question: Today, by the end of shift, you have to prepare a 1 mL solution 99m Tc (T1/2-6.4 h) in such a way that tomorrow

Today, by the end of shift, you have to prepare a 1

Today, by the end of shift, you have to prepare a 1 mL solution 99m Tc (T1/2-6.4 h) in such a way that tomorrow morning (in 12 h) it will have an activity concentration of 1kBq/mL. Right now your Mo/Tc generator milks 0.1MBq/mL of Tc-99m. a) How many milliliters of the milked Tc-99m solution will you dilute with saline to get such a concentration of Tc-99m that in the morning its activity will be exactly the requested 1kBq/mL?

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To approach the problem at hand we will use the principles of radioactive decay and the decay formula which is AAoet where A is the activity at time t Ao is the initial activity is the decay constant ... View full answer

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