Oxidation sensor

Details Oxidation sensor Oxidation sensor

1985-12-10

1988-01-05

Schor, Kenneth M.

Chemistry: analytical and immunological testing

Condition responsive control

422 62, 422185, 162 49, 162 61, G01N 3508, D21C 1100

Patent

active

047176725

ABSTRACT:
A device and method for measuring and controlling the extent of oxidation of kraft white and black liquors and also flue-gas scrubber circulating liquors is provided, comprising two dissimilar metal electrodes whose potential difference on immersion in the kraft liquor is proportional to the sulphide ion concentration and to the concentration of other oxidizable components in the liquor.

REFERENCES:
patent: 2289610 (1942-07-01), Wallace
patent: 2614652 (1952-11-01), Sultzer
patent: 4311666 (1982-01-01), Hultman et al.
Swartz and Light, Tappi 53(1) 90(1970).
Ascencio et al, Svensk Papp., 83(11) 319(1980).
Lokka, Papperi ja Puu, 63(4), 219(1982).

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