Rugged dissolved carbon dioxide monitor for high purity water

Details Rugged dissolved carbon dioxide monitor for high purity water Rugged dissolved carbon dioxide monitor for high purity water

1986-10-06

1989-01-31

Marcus, Michael S.

Chemistry: analytical and immunological testing

Oxygen containing

Inorganic carbon compounds

436 68, 436150, G01N 3318, G01N 3348

Patent

active

048015512

ABSTRACT:
A continuous on-line monitor of carbon dioxide dissolved in high purity water includes a cation conductivity cell and associated bridge for measuring first and second cation conductivities at first and second temperature and a heater for heating the sample from the first to the second temperature. A microcomputer calculates first and second concentrations of a fully dissociated acid alone and carbon dioxide alone, respectively, which will produce the first measured cation conductivity at the first temperature and then determines the actual carbon dioxide concentration from the first and second concentrations and the second measured cation conductivity.

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