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The IAEA NGS isotopic standard gases are now maintained by the Atmospheric
Chemistry Group at NIST. You can get information (packaging, cost,
availability, references, etc) by contacting me directly.
--Mike
At 06:49 PM 2/21/97 +0900, you wrote:
>
>Dear friends of isotopes:
>
> Does somebody out there tell me how to obtain so-called NGS standard
gases, which contain methane and some light hydrocarbons with known
isotopic compositions? Thank you for any information from you in advance.
>
>Sincerely,
>
>
>Nori Tanaka
>
>
>-------------------
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Dr. R. Michael Verkouteren
B364, Chemistry Building (222)
National Institute of Standards & Technology
Gaithersburg, Maryland 20899 USA
301-975-3933 (telephone)
301-216-1134 (facsimile)
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