Difference between revisions of "Preparation Questions for Basic Radio-Chemistry"

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Return to [[Basic Laboratory Procedures for Radio-Chemistry|Main]]
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[[Basic Laboratory Procedures for Radio-Chemistry|Return]]  
  
<br> What does the symbol that marks radioactivity look like?
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Before you start the laboratory exercise you should answer the following questions and write the answers in your laboratory journal. Your lab suppervisor will check the answers and you are not allowed to start before she/he has signed the page in your journal.
  
Why is it strictly forbidden to work in such a way that there is danger of internal contamination (the radioactive source enters the body), while it is legal to a certain degree to expose oneself to external radiation (for instance working close to a radioactive source)? <br> <br> The exposure should always be as little as possible ( the ALARA principle). For an external radiation source there is three main ways to do this. Which?  
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<br>'''Q1:'''&nbsp;What does the symbol that marks radioactivity look like?  
  
*Method 1:
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'''Q2:'''&nbsp;Why is it strictly forbidden to work in such a way that there is danger of internal contamination (the radioactive source enters the body), while it is legal to a certain degree to expose oneself to external radiation (for instance working close to a radioactive source)? <br><br>'''Q3:''' The exposure should always be as little as possible ( the ALARA principle). For an external radiation source there is three main ways to do this. Which?
*Method 2:
 
*Method 3:
 
 
 
<br> What is so special about Tc compared to the other elements with approximately the same atomic number?<br> <br> Use the Chart of the Nuclides to determine what kind of <span class="texhtml">γ</span>-radiation <sup>99m</sup>Tc emits.<br>
 
 
 
[[Category:Unsolved_Problems]] [[Category:Problem_Solving_Sets]] [[Category:Radio_chemistry]]
 

Latest revision as of 06:24, 25 September 2012

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Before you start the laboratory exercise you should answer the following questions and write the answers in your laboratory journal. Your lab suppervisor will check the answers and you are not allowed to start before she/he has signed the page in your journal.


Q1: What does the symbol that marks radioactivity look like?

Q2: Why is it strictly forbidden to work in such a way that there is danger of internal contamination (the radioactive source enters the body), while it is legal to a certain degree to expose oneself to external radiation (for instance working close to a radioactive source)?

Q3: The exposure should always be as little as possible ( the ALARA principle). For an external radiation source there is three main ways to do this. Which?