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Old 15 Oct 2009, 6:42 PM   #2 (permalink)
sam5
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Re: chemical properties of radioisotopes? Help please

see that word 'chemical'? They r gonna delete that word in the syllabus when the new one comes out.

Just say something basic. e.g. Technetium - 99m is used for medical purposes (in diagnostics and treatments of diseases) because it has a short half life of 6 hrs. This makes it appropriate to use, as this property will ensure as less radiation exposure to the patient as possible.
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