[time-nuts] Rubidium is good for you...

Bruce Griffiths bruce.griffiths at xtra.co.nz
Fri Apr 17 21:47:03 UTC 2009


Steve Krull wrote:
> Especially if the snake oil is used to pan-fry a nice bit of chicken...
> Alan - see you at RAL!
> Steve
> WB0DBS
>
> ---- Alan Melia <alan.melia at btinternet.com> wrote:
>   
>> What radioactive decay ?? There are isotopes of most of these naturally
>> occuring "alkaline" elements but most are very stable.....you dont want the
>> gas in your Rb lamp transmuting away !!
>> There may even be "nutritional benefits in snake oil :-))
>> Alan G3NYK
>>     
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>   
Alan

The Rubidium 87 in the absorption cell is a beta emitter with a half
life of 4.88E10 years.
It decays to Strontium 87 which is stable.

However, the Rubidium 85 used as an optical bandpass filter in a
conventional rubidium standard is stable.

Bruce



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