Dear all,
just a quick remark. Len, I have never seen hydrogen with a dD value
'lower than -1000 per mill'. In fact, such values cannot exit. (would be
< 0.0 at%).
Willi

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Willi A. Brand, Stable Isotope Laboratory       [log in to unmask]
Max-Planck-Institute for Biogeochemistry
Carl-Zeiss-Promenade 10, 07745 Jena, Germany    Tel   +49-3641-643718
P.O.Box 100164, 07701 Jena, Germany             Fax:  +49-3641-643710
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