[Histonet] Difference between Neutral Buffered Formalin 10% andNBformaldehyde 3.7 to 4%

[Bea DeBrosse-Serra]

Formaldehyde is the concentrated form and formalin the diluted form of formaldehyde.

Beatrice DeBrosse-Serra HT(ASCP)QIHC
Isis Pharmaceuticals
Antisense Drug Discovery
1896 Rutherford Road
Carlsbad, CA 92008
760-603-2371



-----Original Message-----
From: histonet-bounces <@t> lists.utsouthwestern.edu [mailto:histonet-bounces <@t> lists.utsouthwestern.edu] On Behalf Of joelle weaver
Sent: Thursday, October 06, 2011 9:55 AM
To: sbreeden <@t> nmda.nmsu.edu; gudrun.erikstad <@t> stolav.no; Histonet
Subject: RE: [Histonet] Difference between Neutral Buffered Formalin 10% andNBformaldehyde 3.7 to 4%


I like this article's discussion of the history of usuage and terminology:  citation  Fox, C., Johnson, F., Whiting, J., and Roller, P. Formaldehyde Fixation, The Journal of Histochemistry and Cytochemistry, Vol. 33, No.8, pp. 845-853, 1985. 

Joelle Weaver MAOM, BA, (HTL) ASCP
 

> Date: Thu, 6 Oct 2011 08:56:55 -0600
> From: sbreeden <@t> nmda.nmsu.edu
> To: Gudrun.Erikstad <@t> stolav.no; histonet <@t> lists.utsouthwestern.edu
> Subject: RE: [Histonet] Difference between Neutral Buffered Formalin 10% andNBformaldehyde 3.7 to 4%
> CC: 
> 
> Now, wait just a minute! Don't tell me that after 40+ years of being a
> histotech that I've been WRONG all this time??? FORMALDEHYDE is
> FORMALDEHYDE is FORMALDEHYDE. FORMALIN is the diluted form of
> FORMALDEHYDE, buffered and used at (usually) 10%. If I'm wrong, this
> will be my last day at work... :)
> 
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