Test for catalase

Judy/Bob Dilworth dilworth at megsinet.net
Sat Mar 6 10:17:50 EST 1999

I have always used 3%, the kind you buy at the drug store, for routine
bacteriology.  If you are doing quantitative catalase testing on acid fast
organisms - which I assume you are not - but if someone else is - you would
need a stronger peroxide.  I can't remember off the top of my head what the
strength is for that test though.

Judy Dilworth, M.T. (ASCP)

yvesch wrote:

> Hi,
>     When I make a test for Catalase what percentage of Hydrogen Peroxide
> use???
> 1%, 2%.... I don't know.
> Tanks a lot
> Yves Champagne  tech lab microbiology
> Montréal, Québec Canada

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