Passive pH adjustment for analytical instruments

Details Passive pH adjustment for analytical instruments Passive pH adjustment for analytical instruments

1995-12-13

1997-12-02

Bell, Bruce F.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204433, 204435, 204249, 204264, 204276, 2101981, 210199, 210924, 210925, 2057875, G01N 2726

Patent

active

056932049

ABSTRACT:
An apparatus for adjusting the pH of an electrolytically dissociated process stream is disclosed. The apparatus includes a matrix of pH adjusting chemical and an erosion rate modifier. The pH adjusting chemical is preferably citric acid and the erosion rate modifier is preferably polyethylene glycol. A porous material such as a sponge may be interposed between the matrix and the process stream to further modify the erosion rate.

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patent: 5306623 (1994-04-01), Kiser et al.
patent: 5342510 (1994-08-01), Eden et al.
patent: 5350512 (1994-09-01), Tang

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