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· Gamma Spectrometry
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Founded: Sep 12, 2005
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How to operate a MCA
Does anyone know of a good source of information on how to operate a MCA? I am sure that many people in this group have a need for this knowledge. This site...
Aug 30, 2008
In my opinion, "Radiation from granite" would be best measured in terms of GAMMA RAYs, and RADON contribution ( if any). Gamma Ray quantification: Even with a...
Aug 14, 2008
library of isotopes
Hi guys, if I wasn't pestering enough people already, Phil sold me his MCA for Gamma Spectrometry. I am browsing the files and messages again, but could...
Aug 12, 2008
Davidson MCA users
Here's a cheapie for parts or repair: 110116103990 No connections with seller. Geo...
Aug 9, 2008
Neutron Detector Questions
Hello Everyone What would be the best way to assemble one? My materials are 2"Dia.PMT, Scintillation material BC-412, and ZNS(cu:ag) also have HDPE that i can...
Jul 31, 2008
Portable Universal Radiation Spectrum Analyzer
Anyone see this before? http://hans-
Jul 4, 2008
For a Gamma Spectrometer, would an RCA 931-A Photomultiplier Tube coupled with BC-412 plastic scintillation material work?...
Jun 29, 2008
Homebuilt gamma ray spectrometer
I am interested in building a gamma ray spectrometer. I have seen various circuits here that are useful - such as High Voltage power supplies and MCA.Is there...
Jun 29, 2008
Move Completed - More Uranium Ores for Sale
Hello folks, Well after getting married, I have now moved to Colorado Springs from Golden, Colorado. The move is complete and I have a new email and phone -...
Jun 1, 2008
Gamma Energy Response Exercise
Q: Take 3 imaginary isotopes. #1 has a peak at 100 keV only, # 2 has a peak at 662 keV only and #3 has a single peak at 3 MeV. Each sample has the same number...
May 22, 2008
Nonlinear sodium iodide probe respones to gamma energy
This picture of a gamma scan I took of Cs-137 shows the problem ...
May 20, 2008
hi folks, i took the spectra for 40-K, U ore, and 232-Th from the NaI catalog (includes progeny), normalized each these to unit area (the catalog generally...
May 20, 2008
Na-22 calibration of NaI
Hello folks - first post here - thanks to the admin for letting me join this forum.... during a discussion on the GeigerCounterEnthus
iasts forum, Geo asked me ...
May 18, 2008
Gamma Spectrum Catalog
I've been doing some searching on the net for reference spectrums to use in conjunction with my pulse height analyzer and the sensitive Bicron probe I...
May 8, 2008
hi, This is my first post here. I´m Cesar, from Madrid, Spain. Well, I planned to invest in a UCS30 spectrometer from Spectrum Techniques. I need your advice...
May 7, 2008
Spectrometer to eBay
I just listed one of my Ludlum spectrometers on eBay, item # 350055945958 Shameless plug. Geo...
May 2, 2008
Advanced Experiments in Physics
Apr 8, 2008
Hi, I have Uranium Ores for sale
Hi, I recently returned from Moab Utah with pounds of Uranium ore. I am selling in small quantities and pound quantities. If you are interested please contact...
Apr 7, 2008
Induced Nuclear Fission in the Home Rad Lab
20Rad%20Lab/ enjoy Geo...
Mar 23, 2008
Nuclear Data Micro Spec Model 82
Hi all; I just aquired the above unit surplus. Wanted to know if anybody out there has any experience with this unit. Of course looking for manuals,...
Apr 24, 2008
Building a source/detector probe for XRF
Hello all, I am new to this group but was referred from the CDV700CLUB. I am trying to build a probe for a X ray fluorescence experiments. This will consist...
Mar 8, 2008
Scintillator circuit diagram
I am interested in building a Scintillator counter and was wondering if there is an online electronic circuit diagram that I can use. If plans change I might...
Mar 2, 2008
Dear Geo, Thank you for your message. I hope your members will find something of interest on the gammaspectrometry.
co.uk website. Regards, Gordon Gilmore...
Feb 25, 2008
Hi, Got to play hands on with an XRF materials analyser for the first time yesterday. Quite a nice unit. X-ray tube generator and a (unusually I thought) gas...
Feb 21, 2008
Finally got around to doing a one hour survey of our kitchen Granite countertop. Did one hour on the countertop with the NaI and another hour long survey away...
Feb 17, 2008
Multi-Channel Analyzer Tracor Northern TN-1710A
Multi-Channel Analyzer Tracor Northern TN-1710A 320210767817 no connection...
Jan 29, 2008
siasts] Re: Hot Gems.
Scandium-46, 83.8 days half life. 1120 keV ( whew) Tantalum-182, 114.7 days, 67 keV, 1121 keV, 1221 keV (ouch) Manganese-54, 312 days, 834 keV. Topaz itself is...
Jan 29, 2008
elemental analysis of U marbles and Th mantles by XRF
20XRF.doc An interesting analysis. Have fun Geo...
Jan 20, 2008
Granite Countertop- Radioactivity Study.
On a field trip,several years, and several computers ago, I did some preliminary gamma spectroscopy on a particular granite countertop. Those files are lost...
Jan 10, 2008
Thorium welding electrodes, mantle dust etc.
Natural Thorium 232 is abundant in the environment. As an industrial material thorium has been used to enhance a great number of products. Because all thorium...
Dec 24, 2007
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