In reply to Eric Walker's message of Thu, 4 Feb 2016 14:58:12 -0600: Hi, [snip] >On Thu, Feb 4, 2016 at 2:47 PM, <[email protected]> wrote: > >32Si has a half life of only 100 years, so there isn't any in nature. >> > >According to Wikipedia, it's a trace element. I wonder whether it arises >from cosmic rays and how much of it there is in relation to stable isotopes >of silicon. E.g., in the case of 36Cl, which is also trace, I think it's >present at 1e-13 the level of the amount of stable chlorine. If whatever >produces 32Si is a common enough process, it might exist in significant >amounts in equilibrium. > >Eric
Maybe it gets produced by the high current discharge of a lightning bolt? ;) Regards, Robin van Spaandonk http://rvanspaa.freehostia.com/project.html
