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Stable Isotope Geochemistry <[log in to unmask]>

Subject:

freezing of zooplankton and POM

From:

Todd Miller <[log in to unmask]>

Date:

Wed, 23 May 2001 07:54:22 -0700

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Stable Isotope Geochemistry <[log in to unmask]>

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Greetings -

I have a question pertaining to collection of zooplankton and POM
samples out in the field.  I was wondering if I can freeze my bulk
zooplankton and POM samples out in the field (I am on a research vessel)
and do sample sorting later on (i.e. on solid land), without a change in
C and N isotope signatures.  I suspect this would be o.k. but I wonder
if the freezing process would cause some leaching of tissue, and thus
depletion (???).  Any insignt on this would be greatly appreciated.
cheers
Todd


Todd W. Miller
Dept. Fisheries and Wildlife
Oregon State University
Hatfield Marine Science Center
2030 South Marine Science Dr.
Newport, Oregon  97365 USA
ph 541-867-0397
fax 541-867-0138
[log in to unmask]

Todd W. Miller
Dept. Fisheries and Wildlife
Oregon State University
Hatfield Marine Science Center
2030 South Marine Science Dr.
Newport, Oregon  97365 USA
ph 541-867-0397
fax 541-867-0138
todd.miller@n

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