Laboratory of Radiochemistry
Department of Chemistry
University of Helsinki
Here the learning goals and purpose of the exercise should be presented in a reasonable way.
Explanation and Exercise Guide
210-Po and 210-Pb
Wet Digestion of Plant Samples
Polonium Deposition on Silver Disc
Questions for the Students
Describe in detail the whole separation procedure and explain why each step was made. Draw a separation procedure scheme. Draw the alpha spectrum and determine the number of counts in both alpha peaks. Since the amount of 209
Po added is known, the concentration of 210
Po in the sample can be calculated. Give the result as Bq/g dry weight, and calculate the uncertainty of the uncertainty. Calculate also the chemical yield of the separation process.
Here the safety aspects of the exercises should be written. Because of the different rules in different countries this will probably never be correct for every user. It should at least contain HMDS for the chemical compounds used or relevant links to used equipment.
Description of the equipment needed and used during the exercises.
Preparation for the lab Supervisor
The preparation that the lab Supervisor needs to do to ready the lab.
Feedback from Users and Supervisors
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