Greetings List,

I am currently studying D/H in atmospheric methane.  I require a supplier of
a D/H isotopic reference gas with a value of circa -300 per mil (SMOW).
Can anyone help?

Many Thanks

Nigel Rata
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Nigel Rata, Geology Department,                 Tel:   +44 1784 443630
Royal Holloway University of London,            Fax:   +44 1784 471780
Eghan Hill, EGHAM, Surrey, TW20 0EX.            Mobile:+44 973  836662

Alternative e-mail: [log in to unmask]
            url:    http://www.unseen.org/~nigel

Methane Website: http://www.gl.rhbnc.ac.uk/METH/methmain.html

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