On Tue, 22 Dec 1998 Cindipqr@aol.com wrote:

> I thought bleach did nothing to breakdown DAB.  Isn't there a potassium
> permanganate solution you can use?
                                               23rd Dec 1998

   Bleach (hypochlorite) does a lot: aggregates the DAB into an
   insoluble brown polymer. Acidified permanganate does more, and
   is therefore more "acceptable."

 John A. Kiernan,
 Department of Anatomy & Cell Biology,
 The University of Western Ontario,
 LONDON,  Canada  N6A 5C1