McFarland unit for Susceptibility testing

lamb L.A.M.Buisman at
Wed Jun 28 14:20:13 EST 2000

Bob Friedel wrote:

> McFarland Standards are composed of Barium Sulfate suspensions (scale 1-10).
> You will also need a Wickerham card to compare the McFarland standard with
> the organism suspension.  See Difco Manual 10th edition, p. 565, 1984.
> They can be purchased for $5.45 each from Hardy Diagnostics

Also from BioMerieux


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