Search found 131 matches

by Geoff
09 Jul 2021, 15:55
Forum: Spectrum
Topic: Normal U spectrum from an unusual specimen
Replies: 2
Views: 108

Re: Normal U spectrum from an unusual specimen

I’m not really set up for xrf but I’ll give it a go.
by Geoff
03 Jul 2021, 04:26
Forum: Spectrum
Topic: Normal U spectrum from an unusual specimen
Replies: 2
Views: 108

Normal U spectrum from an unusual specimen

I recently acquired an unusual specimen of pitchblende and native gold that came from Anna Adit, Mitterberg District, St Johann im Pongau, Salzburg, Austria. Spectrum wise its nothing special, just a really interesting combo.
U Au.PNG
U Au.PNG (14.44 KiB) Viewed 108 times
2021-07-02-13.16.56 ZS PMax.jpg
by Geoff
03 Jun 2021, 06:54
Forum: Spectrum
Topic: Comparison of different age Am-241
Replies: 3
Views: 168

Re: Comparison of different age Am-241

I use neutron activation disks that are 0.5mm thick.
by Geoff
03 Jun 2021, 04:42
Forum: Spectrum
Topic: Comparison of different age Am-241
Replies: 3
Views: 168

Re: Comparison of different age Am-241

If you shield the source with a thin piece of cadmium you can filter out most of the 59 keV gamma rays and really bring out the neptunium spectrum.
by Geoff
30 Apr 2021, 06:48
Forum: Detectors
Topic: First attempt at building an alpha beta detector
Replies: 12
Views: 1266

Re: First attempt at building an alpha beta detector

That’s really interesting! I can’t imagine soldering something that thin haha. I’m interested to see how this project evolves.
by Geoff
10 Feb 2021, 07:53
Forum: Admin Announcements
Topic: Forum connection issues
Replies: 1
Views: 1217

Re: Forum connection issues

Hi Steven,

More often than not, my first attempt at loading the forum fails. I figured it was my unstable internet.
by Geoff
18 Dec 2020, 12:25
Forum: General discussion
Topic: A discussion on the true safety of Tritium Vials
Replies: 8
Views: 2447

Re: A discussion on the true safety of Tritium Vials

Wait til he finds out about radon
by Geoff
02 Nov 2020, 03:18
Forum: Software
Topic: Unexpected good news....
Replies: 5
Views: 1952

Re: Unexpected good news....

That’s awesome!
by Geoff
17 Aug 2020, 02:42
Forum: Spectrum
Topic: Unknown uranium mineral found in Penticton B.C. while on holidays
Replies: 9
Views: 3667

Re: Unknown uranium mineral found in Penticton B.C. while on holidays

That’s an awesome adventure! I second the vote for curite based on uranium progeny.
by Geoff
27 Jul 2020, 09:21
Forum: Detectors
Topic: SI19N Neutron Detector
Replies: 4
Views: 2579

Re: SI19N Neutron Detector

Awesome work!