Re: Radionuclide impurities in Therapeutic Dosages

[Anthony Barber <a.barber@qut.edu.au>]

At 06:01 PM 30/10/96 -0600, you wrote:
>     
>     A colleague has enquired as to what levels of radionuclide impurities 
>     would be acceptable in radiopharmaceuticals of therapeutic dosage 
>     magnitudes.  An alternate way of phrasing his question would be "what 
>     level of unwanted absorbed dose or equivalent dose is acceptable due 
>     to contaminating trace impurities in a radiopharmaceutical?"
>  
IMHO you are likely to find the chemical restrictions are a larger
impediment than the radiological restrictions in the majority of cases. 

Although I am open to correction on this.
 
  Anthony Barber                                         
  Queensland University of Technology 
  a.barber@qut.edu.au  
  61 7 3864 3566
  fax: 61 7 3864 3993
  *****************************************************************
                                   "Why Not?"
                     
  *****************************************************************