Absorbed dose in phantom

  • Thread starter shakilnur
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  • #1
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Dose phantom = Dose air x ( mSwall / mSair ) x ( mass absorption coefficient phantom/ mass absorption coefficient of wall material ).

if I want to to find absorbed dose in a type of liquid ( combined different type ), how to find the absorption coef?
 

Answers and Replies

  • #2
DrDu
Science Advisor
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I suppose you talk about absorption of radioactivity?
Then the absorption of the mixture should be proportional to the masses of the components in the mixture. E.g. if you have a solution containing 100 g Salt per 1000g solution, then you use the absorption coefficient for 100g of Salt + that for 900g of water.
 
  • #3
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thank Q.means that , if the liquid is polymer, so I need to use the percentage of monomer? and water ?
actually, I need to find Absorbed dose in my gel from X-ray machine..using electrometer, we got charge,then sbstitute into that formula..am I right Dr?
 

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