[Histonet] Formalin Neutralizing

[Pheneger, Tracy]

Very good point Rene!

Formalex now comes with a test kit for unreacted aldehydes.  I used to run the simple test with every batch...sometimes, I had to add extra solution.

http://www.dtsc.ca.gov/TechnologyDevelopment/TechCert/american-biosafety-formalex-techadv.cfm

Tracy

-----Original Message-----
From: histonet-bounces <@t> lists.utsouthwestern.edu [mailto:histonet-bounces <@t> lists.utsouthwestern.edu] On Behalf Of Rene J Buesa
Sent: Wednesday, January 11, 2012 2:06 PM
To: 'histonet <@t> lists.utsouthwestern.edu'; Amy Self
Subject: Re: [Histonet] Formalin Neutralizing

Amy: 
During the years I had the same "dream" as yours. 
Because of that I did try "Transfor-121", "Vytak", "Formalex", "Aldex-AMS 140", "Neutralex" and a 1% solution of potasium permanganate.
To test the effectiveness of the "neutralization" of formalin I used a residual reaction to PAS (Schiff) and ALL the results were positive to PAS, meaning that the neutralization was incomplete.
I also used passive badges by KEM, a SSA Gas-Monitor Meter, AT Badges with the same incomplete results.
Those results prevented me to try to dispose of the "neutralized" formalin and I kept using my disposal company in spite of the costs.
I could not "convince" myself to dispose of formalin "neutralized" with the products I mention.
René J.

--- On Wed, 1/11/12, Amy Self <ASelf <@t> georgetownhospitalsystem.org> wrote:


From: Amy Self <ASelf <@t> georgetownhospitalsystem.org>
Subject: [Histonet] Formalin Neutralizing
To: "'histonet <@t> lists.utsouthwestern.edu'" <histonet <@t> lists.utsouthwestern.edu>
Date: Wednesday, January 11, 2012, 10:50 AM


Hello Histonetters,

I am looking for something that will neutralize formalin to a jelly like substance so that it could be thrown away in regular trash and not disposed of down the drain. Does anybody know if there is something out on that market that will do this?  Thanks in advance for your help, Amy



Amy Self
Georgetown Hospital System
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