Tc-99m sulfur colloid is to be reconstituted with 75 mCi Tc-99m pertechnetate, to be drawn from an eluate with activity concentration of 325 mCi/mL. You will add constituents totaling 2.5 mL to the kit. What volume of eluate and of normal saline should be added to reach 5 mL final volume?

Fundamentals Of Analytical Chemistry
9th Edition
ISBN:9781285640686
Author:Skoog
Publisher:Skoog
Chapter4: Calculations Used In Analytical Chemistry
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Problem 4.24QAP
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 Tc-99m sulfur colloid is to be reconstituted with 75 mCi Tc-99m pertechnetate, to be drawn from an eluate with activity concentration of 325 mCi/mL. You will add constituents totaling 2.5 mL to the kit. What volume of eluate and of normal saline should be added to reach 5 mL final volume?

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