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209 views
02:53 Jun-14-2001
Craig Smith
Radiography in Water

Could anyone confirm the following :

We have to Gamma Ray a pipe with water inside it.

The half value thickness of water is 80mm when using Iridium ?

So if the pipe is 400 mm thick, then I have to increase
the exposure by a factor of 32 (5 half thicknesses).

Is this correct and does anyone know the hvt of water when
using Cobolt.

Thanks.


 


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