[Histonet] RE: Is it Formalin-Without Smelling It?

[Jackie M O'Connor]

Years ago, we added methyl violet to our formalin which enabled us to 
quickly identify the solution in or out of a container.  It also serves as 
a pH indicator, turns yellow when acidic.  That came in handy for long 
term fixation of large bloody specimens that might have required a 
formalin change to ensure good fixation.





JR R <rosenfeldtek <@t> hotmail.com> 
Sent by: histonet-bounces <@t> lists.utsouthwestern.edu
11/07/2008 02:21 PM

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[Histonet] RE: Is it Formalin-Without Smelling It?








My favorite method is to have the container LABELED.

Jerry Ricks
Research Scientist
University of Washington
Department of Pathology



> From: Wanda.Smith <@t> HCAhealthcare.com
> To: rcharles <@t> state.pa.us; histonet <@t> lists.utsouthwestern.edu
> Date: Fri, 7 Nov 2008 13:34:43 -0600
> CC: 
> Subject: [Histonet] RE: Is it Formalin-Without Smelling It?
> 
> I knew there was a trick, I just couldn't remember what it was.
> Thanks everyone!!!!!
> Wanda 
> 
> 
> WANDA G. SMITH, HTL(ASCP)HT
> Pathology Supervisor
> TRIDENT MEDICAL CENTER
> 9330 Medical Plaza Drive
> Charleston, SC  29406
> 843-847-4586
> 843-847-4296 fax
> 
> -----Original Message-----
> From: histonet-bounces <@t> lists.utsouthwestern.edu 
[mailto:histonet-bounces <@t> lists.utsouthwestern.edu] On Behalf Of Charles, 
Roger
> Sent: Friday, November 07, 2008 1:43 PM
> To: Smith Wanda; Histonet (histonet <@t> lists.utsouthwestern.edu)
> Subject: [Histonet] RE: Is it Formalin-Without Smelling It?
> 
> We are using Shiffs reagent.  When you put a drop of formalin in Shiffs 
reagent it turns purple.
> 
> Roger Charles
> Microbiologist
> Pennsylvania Veterinary Laboratory
> 2305 N Cameron St
> Harrisburg, PA 17110
> 717-787-8808
> 
> -----Original Message-----
> From: histonet-bounces <@t> lists.utsouthwestern.edu 
[mailto:histonet-bounces <@t> lists.utsouthwestern.edu] On Behalf Of Smith 
Wanda
> Sent: Friday, November 07, 2008 1:31 PM
> To: histonet <@t> lists.utsouthwestern.edu
> Subject: [Histonet] Is it Formalin-Without Smelling It?
> 
> Happy Friday Everyone!!!!!
> Silly question:  Is there an easy way to tell if a solution in a 
container is/is not formalin without smelling it?????
> Thanks,
> Wanda
> 
> WANDA G. SMITH, HTL(ASCP)HT
> Pathology Supervisor
> TRIDENT MEDICAL CENTER
> 9330 Medical Plaza Drive
> Charleston, SC  29406
> 843-847-4586
> 843-847-4296 fax
> 
> 
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