Search found 4 matches

by mickrose
03 Dec 2017, 08:30
Forum: Shielding
Topic: 180 CPM as Minimum Background radiation
Replies: 7
Views: 4121

Re: 180 CPM as Minimum Background radiation

Sure!
Portable 25x25 NaI(Tl) FWHM 10% resolution at 662keV
http://www.rhelectronics.net/store/port ... scopy.html

Regards from Geneva
by mickrose
03 Dec 2017, 05:50
Forum: Shielding
Topic: 180 CPM as Minimum Background radiation
Replies: 7
Views: 4121

180 CPM as Minimum Background radiation

Hi! Background radiation in my place is ~2000 CPM, using a Scintillation crystal NaI. I could reach 180 CPM after designing/testing an amateur Lead Castle (bricks + plates). What's stopping my progress? 50 Kg of Lead not enough? Muons? Pb210 of recent unpure Lead ? (I am working on a spectrogram of ...
by mickrose
25 Oct 2017, 22:13
Forum: Software
Topic: Geneva area: cs-137 or Sodium22
Replies: 1
Views: 1606

Geneva area: cs-137 or Sodium22

Hi everyone,

I have Americium241 and Radium 226 but I am told calibration should be easier with cesium.
Anyone in my Swiss region could help? (just for 3 days... until I can order some)

thanks,
mike
by mickrose
25 Oct 2017, 22:08
Forum: Introductions
Topic: Swiss nerd
Replies: 1
Views: 1484

Swiss nerd

Hello isotopes!

I am Mike in Geneva. I am an IT pro with a taste for nuclear disintegration.
I have a Inspector EX Geiger-M and a Gamma Spectro from this cool guy: http://www.rhelectronics.net/store/about

I have a collection of Radium watches and a few other hot stuff.

thanks,
mike