I guess I am joining the "old guy" club and having a TC-99 or TC-99M or TC something heart test next monday. Since I will be radioactive for a while, any...
4210
Jim
jim7839
Aug 2, 2005 12:28 am
I guess I am joining the "old guy" club and having a TC-99 or TC-99M or TC something heart test next monday. Since I will be radioactive for a while, any...
4211
GEOelectronics
K0FF
Aug 2, 2005 1:07 am
ubet! A rare chance to have a access to a short half-life, isotope that packs a real punch at a considerable distance. Do the **penetrating power test ( aka...
4212
Tracy Albert
thealbert1
Aug 2, 2005 1:31 am
Ditto George. Remember a note pad and take regular readings and plot the decay. Tracy GEOelectronics <GEOelectronics@...> wrote: ubet! A rare chance...
4213
Tracy Albert
thealbert1
Aug 2, 2005 1:31 am
Ditto George. Remember a note pad and take regular readings and plot the decay. Tracy GEOelectronics <GEOelectronics@...> wrote: ubet! A rare chance...
4214
Aaron Muderick
amuderick
Aug 2, 2005 1:52 am
I've read that the Tc-99m dosage can range between 10 and 50 millicuries for a cardiac stress test. When all of this has decayed to Tc-99, how many curies of...
4215
GEOelectronics
K0FF
Aug 2, 2005 2:22 am
Well, I didn't run afoul of the NRC over the urine, but some rather well thought of individuals who are in the Health Physics arena gagged at my thought of...
4216
Tracy Albert
thealbert1
Aug 2, 2005 3:38 am
Tc-99m the m means metastable. I see it as changing states or valance levels, in transition? I am still grasping metastable. If written technically it would be...
4217
Chris
night427
Aug 2, 2005 1:21 pm
I would try carrying a dosimeter (pen type or Eberline DD-300) with me the entire time I was radioactive (maybe not in the shower or bath). It would be...
4218
charley Karraz
ckarraz
Aug 2, 2005 3:02 pm
I have 2 TGM lollypop probes for quick sale. I think they are new old stock. They employ the N1002 / 8767 tube which is the TGM version of LND's 7311/8767....
4219
DH
revtkatt
Aug 2, 2005 3:27 pm
... millicuries for ... many ... would one ... Easy. Half life. If the half life of the product is say 1000 times that of the precursor, you have 1/1000 of...
4220
GEOelectronics
K0FF
Aug 2, 2005 3:36 pm
First, "nuclear radiation" must originate in.....well, in the "nucleus". Anything OUTSIDE the nucleus is "Atomic". Example= Gammas are same as X-Rays in every...
4221
Aaron Muderick
amuderick
Aug 2, 2005 3:44 pm
Thanks for all this great info. Tc99m has a half life of 6.01 hours Tc99 has a half life of 211,100 years 0.020 Curies (20 millicuries) of Tc99m decay to...
4222
GEOelectronics
K0FF
Aug 2, 2005 5:21 pm
I get 64.9 pCi of Tc-99 (211,100 Y) from 20 mCi of Tc-99m (6.01 H). Use the Universal Decay Calculator at: http://www.wise-uranium.org/rcc.html and the UNITS...
4223
Aaron Muderick
amuderick
Aug 2, 2005 5:30 pm
So, we are talking about a very miniscule amount of activity? _____ From: GeigerCounterEnthusiasts@yahoogroups.com ...
4224
docico325@...
docusn1
Aug 2, 2005 5:40 pm
I just had my test a couple of weeks ago scint probes run off scale I didnt have my panckae because it was out on loan the most fun I had was with the digital...
4225
GEOelectronics
K0FF
Aug 2, 2005 5:57 pm
ubet! Very small quantity of radiation- and a CDV700 can't see it but a pancake can. Not because of the activity, that can be made up by more quantity of the...
4226
docico325@...
docusn1
Aug 2, 2005 6:13 pm
George do you mean after its decay that a CDV-700 cannot detect the Tc-99 ? Mark...
4227
GEOelectronics
K0FF
Aug 2, 2005 6:32 pm
correct, the betas are too weak. Geo ... From: docico325@... To: GeigerCounterEnthusiasts@yahoogroups.com Sent: Tuesday, August 02, 2005 1:12 PM Subject:...
4228
wporter51
Aug 2, 2005 6:51 pm
http://www.signonsandiego.com/uniontrib/20050802/news_1m2bell.html Feel radioactive? Stay shy of the border | The San Diego Union-Tribune...
4229
kbaker6253
Aug 2, 2005 10:15 pm
Does anyone have experience with cloud chambers and experiments related to them? My daughter and I are working on a science project, building a cloud chamber,...
4230
Chris Smolinski
lastoneouttu...
Aug 2, 2005 10:35 pm
... I've never built one, though it has been on my list since I was a kid. I remember going to the Edmund Scientific store (anyone remember them?) to get a...
4231
GEOelectronics
K0FF
Aug 2, 2005 10:50 pm
I'm in the same boat as Chris, it's on my list of neat things to do. Uranium sounds reasonable to me, I see Po-210 sold along with the cloud chamber kits...
4232
Hannes Mayer
al_birdie_2000
Aug 2, 2005 11:01 pm
... Have a look at: http://www.cosmicrays.org/muon-cloud-chamber.php Best regards, Hannes. -- +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~+ ... ...
4233
Ronald Fleshman
ronfleshman
Aug 2, 2005 11:54 pm
Hannes, When I was younger, many, many years ago, I constructed several cloud chambers. Usually they were sections cut out of large glass bottles, gallon ...
4234
Jack Herron
herronjack
Aug 3, 2005 12:09 am
Ron, What!! No photos! Jack C. Herron 8118 E. 20th St. Tucson, AZ 85710 520 885-6933 ... From: Ronald Fleshman To: GeigerCounterEnthusiasts@yahoogroups.com ...
4235
n5tsx
Aug 3, 2005 1:13 am
Go to www.spectrumtechniques.com, then go to the radioistopes page, and there you will find "needle sources", a,b,g for your choosing. Unfortunatly, they...
4236
Jim
jim7839
Aug 3, 2005 1:23 am
... the possibility of a strip search! ... No kidding. I live near Los Angeles, the Capital of over reaction. Los Angeles airport was closed for several hours...
4237
Jim
jim7839
Aug 3, 2005 1:23 am
... the possibility of a strip search! ... No kidding. I live near Los Angeles, the Capital of over reaction. Los Angeles airport was closed for several hours...
4238
Jim
jim7839
Aug 3, 2005 1:34 am
... down the toilet. Do not keep or try to refine. George, I have to say that that sounds like good advice. On the serious side, if there is one, I was...
