[time-nuts] Rubidium is good for you
cdelect at juno.com
Sat Apr 18 16:11:09 UTC 2009
Yes the rubidium 87 isotope is technically radioactive as it does decay
and have a half life.
However it takes special techniques to measure as the activity level is
A piece of granite probably has more radioactivity than the tiny amount
in a rubidium standard.
This link gives some more details as well as a maximum daily requirement,
mind the cautionary note!
Also on Tom Van Baaks website are some PIX of Rb cells I took. I need to
add the tiny one from an LPRO is recently acquired it's about 1/4"
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