If your stuck, I have a stock of NBS-30 and could give you a bit.
Professor of Geology
College of Earth, Ocean, and Atmospheric Sciences
104 CEOAS Admin Bldg
Oregon State University
Corvallis OR 97331-5503
ph 541-737-1245; fax 541-737-1200
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On Mar 3, 2013, at 3:54 PM, Shaun Barker <[log in to unmask]> wrote:
I'm wondering what the status of standard NBS30 is for testing the quality
of H and O isotope analysis on hydrous silicate minerals?
According to IAEA it is out of stock - are there any reference materials
that could be used as an alternative?