pH measuring system

Details pH measuring system pH measuring system

1995-06-12

1997-02-18

Bell, Bruce F.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204435, 128635, 128642, G01N 2726

Patent

active

056038178

ABSTRACT:
A PH measuring device having a first and second lumen with adjacent first ends, wherein the first lumen has a sensor electrode secured to the first end and the second lumen has a fibrous absorbent plug closing the first end, with an absorbent thread attached to the plug, and extending through the second lumen. An electric conductor connected to the sensor electrode extends through the first lumen to an electrical meter.

REFERENCES:
patent: 4401548 (1983-08-01), Brezinski
patent: 4406766 (1983-09-01), MacDonald
patent: 4447309 (1984-05-01), Morioka et al.
patent: 4477330 (1984-10-01), Nielsen
patent: 4565665 (1986-01-01), Fogt
patent: 4568444 (1986-02-01), Nakamura et al.
patent: 4783252 (1988-11-01), Benton
patent: 4834101 (1989-05-01), Collison et al.

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