[Histonet] pH of 10% NBF
Geoff McAuliffe
mcauliff <@t> umdnj.edu
Fri Jan 8 09:52:19 CST 2010
Your pH meter, unless it is a very sensitive (expensive) meter with a
very good electrode and has been properly calibrated that day is
probably off at least 0.05 - 0.1 pH units so don't worry.
Geoff
Greg Dobbin wrote:
> Hi Folks,
> If the pH of our 10% Neutral Buffered Formalin is reading 7.01
> (recycled) and 7.12 (made from new formaldehyde), should I try to get to
> 7.2? If yes-how- add sodium bicarbonate?
> I look forward to your responses.
> Warm regards,
> Greg
>
> Greg Dobbin, R.T.
> Chief Technologist, Anatomic Pathology
> Dept. of Laboratory Medicine,
> Queen Elizabeth Hospital,
> P.O. Box 6600
> Charlottetown, PE C1A 8T5
> Phone: (902) 894-2337
> Fax: (902) 894-2385
>
> "I find that the harder I work, the
> more luck I seem to have."
> - Thomas Jefferson
>
>
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Geoff McAuliffe, Ph.D.
Neuroscience and Cell Biology
Robert Wood Johnson Medical School
675 Hoes Lane, Piscataway, NJ 08854
voice: (732)-235-4583
mcauliff <@t> umdnj.edu
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