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More fixative data

Tom Parker tparker at lacsd.org
Thu May 14 10:02:49 EST 1998


I have received several emails in response to the earlier fixative note.
Here is some additional information scrounged up about this....but would
really like to hear from someone with direct experience with "Prefer" as a
fixative for worms/inverts.

Manufacturer: Anatech. Web site:

-From Anatech:  "...Prefer is used for light microscopy because of its
excellent preservation of cellular detail.  It stands to reason that it
could very well suit the needs of those requiring gross morphological
preservation.  Soft tissues would not become brittle, as this is an
advantage of Prefer over formalin.  Also, pigmentation and/or coloration
patterns would probably be maintained."

A gallon of concentrate (used to mix up 5 gallons of useable fixative)
appears to cost a little under 40 US dollars.

bye for now

Tom Parker
tparker at lacsd.org

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