[Histonet] Formaldehyde concentration measurement

[Tony Henwood]

Shouldn't this read as 3.7% formaldehyde not 3.7% formalin?
I thought we had accepted the convention that 37%(or thereabouts)
formaldehyde (concentrated formaldehyde) was 100% formalin?

Regards

Tony Henwood JP, MSc, BAppSc, GradDipSysAnalys, CT(ASC)
Laboratory Manager & Senior Scientist
The Children's Hospital at Westmead,
Locked Bag 4001, Westmead, 2145, AUSTRALIA.
Tel: 612 9845 3306
Fax: 612 9845 3318




-----Original Message-----
From: histonet-bounces <@t> lists.utsouthwestern.edu
[mailto:histonet-bounces <@t> lists.utsouthwestern.edu] On Behalf Of Rene J
Buesa
Sent: Friday, 21 October 2005 6:00 AM
To: David Haagsma; Maray Weirauch; histonet <@t> lists.utsouthwestern.edu
Subject: Re: [Histonet] Formaldehyde concentration measurement


Maray:
Please remember that a formula regarded as "10% buffered formalin"
solution is really a "3.7% formalin" with regards to the "pure" 37%
formalin used to prepare any "10% NBF" Rene J.

David Haagsma <DavidH <@t> marketlabinc.com> wrote:
Maray, 

Sakura has a formalin concentration test strip 5-15%. Their part number
is 1463.

Dave Haagsma MT(ASCP)
MarketLab Inc.

-----Original Message-----
From: histonet-bounces <@t> lists.utsouthwestern.edu
[mailto:histonet-bounces <@t> lists.utsouthwestern.edu] On Behalf Of Maray
Weirauch
Sent: Thursday, October 20, 2005 3:17 PM
To: histonet <@t> lists.utsouthwestern.edu
Subject: [Histonet] Formaldehyde concentration measurement

Hi Histonetters,
Does anyone know of a simple, inexpensive way to measure the
formaldehyde concentration in a prepared, buffered formalin fixative?
Thanks! Maray

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