[time-nuts] How dangerous if Rb lamp broken?

[Robert Atkinson]

Hi Hui,
Most bulbs use a mix of Rb87 and Rb85 with an activity of around 1500 Bq/gram with less than half a millgram in a typical bulb, that's less than a Bq per bulb (about 20 picocuries). You will get more ardiation from using low sodium salt (potassium chloride) on your food. Potasium is essential for life and Rb is chemically similar.
In short don't worry.
Robert G8RPI (also a geiger "nut" and collector of radioactive material)


________________________________
From: Hui Zhang <ba6it at 163.com>
To: Discussion of precise time and frequency measurement <time-nuts at febo.com> 
Sent: Tuesday, 9 July 2013, 5:07
Subject: [time-nuts] How dangerous if Rb lamp broken?


Dear Group:
    I have four compact Rb Stanard, but I am worried about what if my Rb lamp broken in accident someday? How dangerous of this situration? Is Rb87 came out from Rb lamp will be a disaster? You know I haven't any beta rays detect instrument.


Hui
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