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 2.GQ Geiger Muller Counter
 Newbie test sources?		  New Topic  Reply to Topic
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n8xyn

USA
66 Posts
Posted - 04/03/2018 :  12:17:07  Show Profile  Reply with Quote
I just ordered the 500+ because I always wanted a gieger counter to add to my electronics tool box. The prices of these units puts them well in the consumer price range so now was a good time. I'd like to have a test source but honestly the price of tiny pieces of uranium ore is ridiculous. What are you guys and gals using? Also could someone recommend a reliable website for radioactive samples
Jim Whitaker
Reply #1

ullix

Germany
1171 Posts
Posted - 04/07/2018 :  07:39:29  Show Profile  Reply with Quote
Take a household item like garden fertilizer, or any other product with lots of Potassium in it. Read my "GeigerLog Potty Training ..." for details; downloadable from here:
https://sourceforge.net/projects/geigerlog

And better than with any strange Uranium or else source, you know what you have and can do real physics experiments!
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Reply #2

GBG12

Canada
101 Posts
Posted - 04/07/2018 :  09:09:04  Show Profile  Reply with Quote
You can also purchase Uranium glass beads that used to be used for jewelry. These are small and can be stored in a small lead container when not needed.
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Reply #3

Distelzombie

Germany
202 Posts
Posted - 04/09/2018 :  09:03:14  Show Profile  Reply with Quote
Or go outside and search for granite. It contains small amounts of Uranium and could give a reading of about 100, maybe.
GMC-300E+ V4.20 with sbt-11a alpha tube

My statements are "stuff-a-hobbyist-says" and not in any way professional.
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