On Fri, Mar 25, 2016 at 9:14 PM, Bob Higgins <rj.bob.higg...@gmail.com>
wrote:


> HOWEVER, if the Zn were present, you would also see peaks for stable 66Zn
> and 68Zn for which there would be no corresponding peaks of Ni.  The amount
> of total Zn would be inferred from the amounts of the 66Zn and 68Zn
> extrapolated back to the amount of 64Zn.  I find it hard to believe that a
> competent lab would miss this.
>

I was thinking this, too.  Perhaps the lab reported only mass peaks, and
Parkhomov did the translation of peaks to stable isotopes?

It occurs to me that in this scenario the mass 64 peak would include both
nickel and zinc.

Eric

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