Hi Jude,

I didn't try it with monoterpenes but with isoprene. there, magneisum
perchlorate did the job without affecting either the concentration or
the d13C.

hagit.
--
--
Dr. Hagit P. Affek
Div. of Geology and Planetary Science
Caltech,
MC 100-23
Pasadena, CA, 91125
phone: 626-395-2383







> I'm interested in learning the best way to scrub water out of a field
> sample of plant volatized monoterpenes.  The sample is being prepared
> for GC/MS trace gas analysis. The concern is that the target
> molecules may be in such low abundance that a conventional water
> scrubber may non-specifically bind target molecules and reduce the
> target signal below detection.
> Are there methods that address these concerns.
> Thanks in advance.
> jude
>
> --
> #####################
> Jude Maul
> Department of Horticulture
> Cornell University
> Ithaca, NY 14853
> 607-255-0883 (OFFICE)
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