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  1. Newsgroups: sci.chem
  2. Path: sparky!uunet!zaphod.mps.ohio-state.edu!uwm.edu!ux1.cso.uiuc.edu!news.cso.uiuc.edu!uxa.cso.uiuc.edu!dnash
  3. From: dnash@uxa.cso.uiuc.edu (Mirrors 'R' Us)
  4. Subject: Re: Technetium
  5. References: <C0zK8D.Bu1@world.std.com> <1993Jan19.005230.19534@husc15.harvard.edu> <staff.02rp@rabbit.augs.se>
  6. Message-ID: <C16rsC.HD9@news.cso.uiuc.edu>
  7. Sender: usenet@news.cso.uiuc.edu (Net Noise owner)
  8. Organization: University of Illinois at Urbana
  9. Date: Thu, 21 Jan 1993 04:14:35 GMT
  10. Lines: 26
  11.  
  12. In article <staff.02rp@rabbit.augs.se> staff@rabbit.augs.se (Staffan Friberg) writes:
  13. >In article <1993Jan19.005230.19534@husc15.harvard.edu> blom@husc15.harvard.edu writes:
  14.  
  15. >> radioactivity.  Also, please note that radioactivity is almost harmless until
  16. >> it enters the body.  It is only then that it becomes lethal.
  17. >
  18. >Yes, but it wouldn't matter, would it? The half-life for Tc is something like
  19. >six hours.
  20.  
  21. You forgot about other isotopes of the stuff.  The six hours is for Tc-99.
  22. Tc-97 and Tc-98 have half-lives of 2.6 million and 1.5 million years
  23. respectively.  (At least if I can trust my tables here.)
  24.  
  25. >  +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
  26. >  + Staffan Friberg                   +  InterNet: staff@rabbit.augs.se +
  27. >  + Undergraduate student  Chemistry  +  FidoNet:  2:204/404.2          +
  28. >  + Linkoping University  Sweden      +                                 +
  29. >  +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
  30. >  Life, loathe it or ignore it, you can't like it.   (Marvin)
  31.  
  32.  
  33. -- 
  34. David Nash                  | Gradual Student, Chemistry
  35.                             | University of Illinois (Urbana)
  36. (dnash@uxa.cso.uiuc.edu)    | This .sig is made of 100% recycled electrons.
  37. (nash@aries.scs.uiuc.edu)   | No binary trees were killed to make it.
  38.