[ RadSafe ] IBIS Sr-90 source construction

[Ted de Castro]

 From what I read on a Google search - the material is a dispersible powder.

On 5/24/2016 6:26 PM, Brad Keck wrote:
> Hi Brian,
>
> I believe these are electroplated sources, so at the surface of the metal (stainless steel usually in sources) a thin coat of strontium will be reduced to it’s metallic form.
>
> It is important of course that the strontium “plate” be very thin so that beta emissions are unshielded in the direction of the detector….
>
> Hope this helps..
>
> Brad
>
>
>
>
>> On May 24, 2016, at 5:04 PM, Rees, Brian G<brees at lanl.gov>  wrote:
>>
>> Does anybody on the list know the physical form of Sr-90 sources used in helicopter blade pressure indicators?
>>
>> Specifically, is it strontium titanate, or some other material with a low solubility?
>>
>> Thanks,
>> Brian Rees
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