In reply to Stephen A. Lawrence's message of Fri, 05 Dec 2008 16:06:57 -0500: Hi, [snip] > > >Jones Beene wrote: > >> Well, I am still of the opinion that the mass difference between CH and >> 13C "should have" been noticed by the authors in the spectrometry, since >> it so very critical to their conclusion, and so obvious as an >> alternative ... should I say "alternative to the near-miraculous >> conclusion" which the propose; and efforts are underway to confirm this. > >As far as I can tell from the references I've got here (on the >desktop...) the difference in mass between 12C-H and 13C is about 1 part >in 1000.
I get a value of about 1 in 2900, which makes it just that much harder to tell the difference. Regards, Robin van Spaandonk <[EMAIL PROTECTED]>
