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Stable Isotope Geochemistry

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Stable Isotope Geochemistry <[log in to unmask]>
Subject:
Re: CO2 traps...
From:
"Stephen S. Howe" <[log in to unmask]>
Date:
Wed, 31 Jan 2001 16:15:35 -0500
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Stable Isotope Geochemistry <[log in to unmask]>
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Kendra:

I prefer to use Carbosorb in my EA CO2 traps with a small amount of 3A
molecular sieve at the entrance and exit of the trap.  Remember, when using
Carbosorb, the CO2 trap should be placed after the magnesium perchlorate
water trap, the opposite of the order when using a soda lime trap.  It's my
understanding that soda lime works best when there is a slight amount of
water present, so it should be placed before the magnesium perchlorate
water trap.

Steve


>Hello everyone...
>        Does anyone feel strongly about the best type of CO2 trap to
>use in an EA - soda lime traps vs. carbosorb traps?
>
>Thanks,
>Kendra
>
>_________________________
>
>   NASA/Ames Research Center
>   Mail Stop 239-4
>   Moffett Field, CA  94035
>    650-604-1430 (voice mail)
>    650-604-6110 (lab)
>    650-604-1088 (fax)


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Stephen S. Howe                         Office:  (518) 442-5053
Dept. of Earth & Atmos. Sciences        Stable Isotope Lab:  (518) 442-4471
Earth Science 352B                      FAX:  (518) 442-5825
University at Albany                    E-mail:  [log in to unmask]
1400 Washington Avenue        http://www.albany.edu/geosciences/sshowe.html
Albany, NY  12222-0001      http://www.albany.edu/geosciences/sirmslab.html
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