Mahlon G. Kelly
mgk at faraday.clas.Virginia.EDU
Thu Apr 18 00:36:55 EST 1996
Esther Ceren writes:
> I am looking for the name of the chemical/pigment that changes it's
> color from blue to red in the presence of an acid and to green in the
> presence of an alkali.
> Your help would be greatly appreciated.
You have received some sophisticatedesponses, but is it
possible that you are looking for litmus paper?
Associate Professor (Emeritus)
University of Virginia
mgk at darwin.clas.virginia.edu
More information about the Bioforum