[Histonet] formaldehyde neutralizers

Tony Henwood AnthonyH <@t> chw.edu.au
Wed Mar 25 17:06:35 CDT 2009


Thanks for that.

I am not sure how the bisulphite method works. I picked it up from a
reference on formalin neutralisation but have never tried it.

And would you believe that after some searching I can't even find that
reference (I probably have it on my home computer). I have a suspician
that the details may even have come from John Kiernan.

The notes come from my "Infamous" text book I have been writing for the
last 20 years. As my staff call it, the book that will probably never be
published. But then the chapters are quite usefull for teaching so they
are of some use.


Tony Henwood JP, MSc, BAppSc, GradDipSysAnalys, CT(ASC) Laboratory
Manager & Senior Scientist
Tel: 612 9845 3306
Fax: 612 9845 3318
the children's hospital at westmead 
Cnr Hawkesbury Road and Hainsworth Street, Westmead 
Locked Bag 4001, Westmead NSW 2145, AUSTRALIA 

-----Original Message-----
From: histonet-bounces <@t> lists.utsouthwestern.edu
[mailto:histonet-bounces <@t> lists.utsouthwestern.edu] On Behalf Of Robert
Sent: Thursday, 26 March 2009 1:06 AM
To: histonet <@t> lists.utsouthwestern.edu
Subject: [Histonet] formaldehyde neutralizers

Thanks, Tony Henwood! Your explanation of how to neutralize formaldehyde
with ammonia is the only clear explanation of formaldehyde
neutralization I've ever read.

One more question: how does neutralization with sodium bisulfite work?
What are the advantages and disadvantages of the two methods?

Bob Richmond
Samurai Pathologist
Knoxville, Tennessee

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