There is a company in the Netherlands, Sentron, which manufactures small
ISFET-type pH-sensors. The address is


Sentron B.V.
P.O. Box 125
9300 AC Roden
The Netherlands
Phone: + 31-5908-13800
Fax: + 31-5908-16834

Sentron Inc. US
33320 1st Way South
Federal Way, WA 98003
USA
Phone: (206) 838-7701
Fax: (206) 838-7933


-- Peter Norlin
>
> ------- Forwarded Message Follows -------
> Date:          Thu, 28 Mar 1996 10:24:51 EST
> From:          reid_zeigler@merck.com (Reid Zeigler)
> Subject:       pH sensor
> To:            MEMS@ISI.EDU
> Reply-to:      mems@ISI.EDU
>
>
> I'm looking for a pH sensor for use in a chamber that holds
> a maximum of 20 microliters of liquid. The physical dimensions
> need to be as small as possible. Do any of you know of a micro
> size pH sensor that is commercially available, or do any of
> you have something suitable under development? (I have a little
> grant money)
>
> Thanks,
>
> Reid Zeigler (reid_zeigler@merck.com)      phone: 908-594-6770
> Merck Research Laboratories                  fax: 908-594-4296
> P.O. Box 2000
> Rahway, NJ 07065
>
>
>
>