Search found 75 matches

by sgt_bear
18 Aug 2019, 19:14
Forum: Spectrum
Topic: Orvieto - High Natural Radiation Background
Replies: 3
Views: 75

Re: Orvieto - High Natural Radiation Background

First of all, i really like the first photo, very nice work. What camera you use? About the gammas, as far as i know, pozzolana and tuff are volcanic ashes or lava rock... do you know if only the volcanic ash in that place is slightly radioactive, or if all volcanic ashes are this way? I'm wondern b...
by sgt_bear
18 Aug 2019, 19:07
Forum: Detectors
Topic: Mirion PDS 100G, Spectrometric Personal Radiation Detector
Replies: 24
Views: 253

Re: Mirion PDS 100G, Spectrometric Personal Radiation Detector

This is a very interestind an nice detector, i saw those in ebay and were considering purchasing this device.
Does it have a smart phone app?
by sgt_bear
14 Aug 2019, 21:59
Forum: Resources
Topic: Radioactive Minerals
Replies: 3
Views: 58

Radioactive Minerals

Hi guys, I found a website that is for mineral collectors and provides alot of mineral infos. They also have a list of radioactive minerals. http://webmin.mindat.org/determin/radioactivity.php?st=1001&type=rad#.XVLgTHvgqUl The minerals are ascending with radioactivity, so if you want to see the most...
by sgt_bear
14 Aug 2019, 04:37
Forum: Spectrum
Topic: Radiation release near Severodvinsk
Replies: 10
Views: 127

Re: Radiation release near Severodvinsk

Nuclear propulsion is a rocket driven by nuclear power:
https://en.wikipedia.org/wiki/Nuclear_propulsion

Putin announced such a missile last year, so it might be possible they were testing a nuclear powered missile
by sgt_bear
08 Jul 2019, 16:41
Forum: Introductions
Topic: FYI! Americium Sourse from Smoke Detector
Replies: 4
Views: 230

Re: FYI! Americium Sourse from Smoke Detector

Yes, rules differ very by country, and in most cases the buyer is responsible for the shipment. And even if the seller is responsible, its hard to do anything against asian or western europe sellers on ebay or generally online.
by sgt_bear
20 Nov 2018, 18:11
Forum: Detectors
Topic: Not something you see everyday..
Replies: 2
Views: 1026

Not something you see everyday..

I thought i had to share this one, you don't see such a monstrous detector everyday!
If only i had (alot of) spare money...

4x4" NaI(Ti) Detector on ebay:
https://www.ebay.com/itm/Bicron-Gamma-S ... 3990438352
by sgt_bear
11 Nov 2018, 23:15
Forum: Detectors
Topic: CZT Detector help
Replies: 3
Views: 1244

CZT Detector help

Hello folks, I recently purchased a CZT detector from ebay. Its marked "EV products, B1829 - Division of II-VI Incorporated" I only found this data about it https://www.kephis.com/kephis/czt.htm Providing schematic and details, but no information about the "HV" voltage that needs to applied. Various...
by sgt_bear
13 Apr 2018, 01:54
Forum: General discussion
Topic: Neutron tube?
Replies: 4
Views: 2297

Re: Neutron tube?

Looks like these tubes use also deuterium for creating neturons, generators like this seem used for oil well logging, there are quite a few different companies who make them For example this: http://www.starfireindustries.com/uploads/2/2/1/1/22111816/datasheet_ngen-100b_welllogging_rev02-17.pdf sche...
by sgt_bear
08 Apr 2018, 20:51
Forum: General discussion
Topic: Neutron tube?
Replies: 4
Views: 2297

Neutron tube?

Hello, I follow quite an extensive list of searches on ebay, including the radiation related ones. Yesterday i saw an interesting item, sadly its already gone. https://www.ebay.com/itm/Vintage-impulse-neutron-generator-tube-NT-25-by-Isotop-NOS-with-datasheet/112922029832?ssPageName=STRK%3AMEBIDX%3AI...
by sgt_bear
19 Feb 2018, 22:13
Forum: Resources
Topic: Isotope & Europe
Replies: 3
Views: 3558

Re: Isotope & Europe

Yes it really differs from country to country and the carrier itself. For example UPS has a license here for transporting dangerous items, but our postal service has not. The problem in my case would have not been customs, they would be fine, but after customs, the postal service would refuse transp...