Search found 105 matches

by iRad
21 Jun 2015, 23:13
Forum: Introductions >> Start Here !
Topic: Antiprotons
Replies: 3
Views: 2105

Re: Antiprotons

Hi Tom - Welcome to the group. I know everyone will benefit greatly from your knowledge and huge effort you put into your hobbies. Not only your diligent work, but your creative and enjoyable style demonstrated in your videos and writing. Your contributions help spur much additional interest by othe...
by iRad
18 Jun 2015, 02:59
Forum: Spectrum
Topic: XRF Gold Assay Experiment
Replies: 16
Views: 7342

Re: XRF Gold Assay Experiment

Hi Lodovico I see you have added many more scans of elements and the mineral ore Monazite to your XRFSpec document. Good to see you are continuing to update this excellent resource document. I noticed your revision date of 2/17/2015 remained the same as the older document I had, and that the documen...
by iRad
21 May 2015, 07:31
Forum: Spectrum
Topic: A Spectrum to Ponder
Replies: 12
Views: 5653

Re: A Spectrum to Ponder

Hi Alfred, Alpha's need a very special setup to measure. The detector window must be thin enough to allow alpha particles to enter the detector, or the alpha source must be enclosed within the detector assembly (light tight of course). A very thin aluminized Mylar film (often referred to as Rad-Film...
by iRad
20 May 2015, 01:01
Forum: Introductions >> Start Here !
Topic: Lyle from Canada
Replies: 6
Views: 2955

Re: Lyle from Canada

Welcome Lyle!
I noticed in my eBay watched items this morning, that Karl sold that combo unit. That's a hard to beat price for nice entry level gamma spectroscopy system. It's nice to know someone who is now a part of the group snagged it up.
Cheers, Tom
by iRad
18 May 2015, 10:45
Forum: Spectrum
Topic: A Spectrum to Ponder
Replies: 12
Views: 5653

Re: A Spectrum to Ponder

You can get about 20 to 30 pounds of lanthanum out of the batteries from a Toyota Prius...
by iRad
18 May 2015, 09:24
Forum: Spectrum
Topic: A Spectrum to Ponder
Replies: 12
Views: 5653

Re: A Spectrum to Ponder

Not that I have seen it before personally, but I think you might have Lanthanum (La138).
by iRad
17 May 2015, 22:58
Forum: Spectrum
Topic: Gamma spectrum of Jefferson Golden Hour clock
Replies: 4
Views: 2207

Re: Gamma spectrum of Jefferson Golden Hour clock

That's a super nice looking Scionix probe, and a really nice spectrum obtained from it! Love the clock too. :) Tom
by iRad
12 May 2015, 07:13
Forum: Introductions >> Start Here !
Topic: Tom McCarthy From Ireland
Replies: 8
Views: 3000

Re: Tom McCarthy From Ireland

I would hate to see the forum digress. Especially here in young Tom's space... :)
by iRad
12 May 2015, 03:08
Forum: Introductions >> Start Here !
Topic: Tom McCarthy From Ireland
Replies: 8
Views: 3000

Re: Tom McCarthy From Ireland

Hey Tom - (edited TMI)
Don't worry, I'm sure no one will confuse me with a brilliant young chap from Ireland... :)
by iRad
11 May 2015, 22:58
Forum: Detectors
Topic: Info on some PMTs?
Replies: 10
Views: 6225

Re: Info on some PMTs?

I don't think you will hurt anything by just trying. Besides, if we are talking about the R374, the data sheet Steve shows a standard pin layout. You should be able to use the same VD recommended in the Theremino documentation for the R6095. That works with many other similar tubes as well. Playing ...