Re: Re - formaldehyde substitutes

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From:Clarke Ian <>,
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Hi Bob,
              I  assumed that most people  who used the products would know
the chemical constituents in their histopathology Laboratories.All three
utilise Glyoxal but like most postings I was looking for information on a
day to day usage not what a company rep might say.As for Prefer it isn't
available here in the UK but Preserve which Anatech, as far as I am aware,
make for Energy beam  can be obtained here .The other product is
Shandon's.Unfortunately a Data Hazard Sheet does not tell how long, or if
you can, store  tissue samples which is what I would like to know.

Thanking you for the contribution Bob.

Ian Clarke
Histopathology / Cytology Department
Craigavon Area hospital NHS Trust

-----Original Message-----
From: <>
To: <>
Date: 24 June 2000 02:27
Subject: Re - formaldehyde substitutes

>Ian Clarke in the Histopathology/Cytopathology Department, Craigavon Area
>hospital in the UK has a query regarding the formaldehyde substitutes
>Preserve, and Glyco fixx.
>>>We are in the process of trying out these alternatives and have been told
>by a Rep that we would require formaldehyde to store tissue samples Is this
>the case? I know we could use 70% alcohol as a storage medium but this may
>cause a fire risk.<<
>Please, folks, when you post queries like this one, don't just post the
>name - give us some idea of the chemical composition - look at the
>Safety Data Sheet (MSDS - or in this case perhaps its UK equivalent).
>Prefer is of course ANATECH's glyoxal based fixative (glyoxal is an
>fixative like formaldehyde), and this question would be appropriately
>directed to Ada Feldman or the Dapsons at ANATECH - those guys know
>EVERYTHING about the chemicals they sell. - I never heard of the other two
>products - what's in them?
>Bob Richmond
>Samurai Pathologist
>Knoxville TN

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