Dear Dr. Freeman.
        They might be available commercially, but if not we could build
one on a chip for you. We make chemical field effect transistors that are
essentially voltametric electrodes. Let me know if you want to discuss it
further.
regards J.Dubow

On Fri, 17 Apr 1998, Freeman, Alex wrote:

> Hello everyone,
>
> I am looking for a microminiature pH sensor that I could attach in the
> flow stream and constantly monitor the pH.  Any leads? thanks
>
>
> ~~~~~~~~~~~~~~~~~~~
> Dr. Alex Freeman
> Engineering Manager, Etch Group
> Ball Semiconductor, Inc.
> 972-359-2442
> afreeman@ballsemi.com
> ~~~~~~~~~~~~~~~~~~~
>
>