[Histonet] Re: paraformaldehyde
Johnson, Teri
TJJ <@t> stowers.org
Mon Apr 26 15:23:48 CDT 2010
Margaret, good luck getting 37 grams of powdered PFA to go into solution. Even making a 10% solution is difficult, usually requiring heat (60 degrees C) and/or sodium hydroxide to get it into solution. Once you do, it's going to want to repolymerize and you'll end up with a real mess. You'd do much better to use stock 37% formaldehyde you can buy commercially.
Teri Johnson, HT(ASCP)QIHC
Managing Director, Histology Facility
Stowers Institute for Medical Research
Kansas City, MO
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