Chemistry: analytical and immunological testing – Pyrolysis – combustion – or elevated temperature conversion – Multiple stages of heating or heating at multiple...
Patent
1987-12-28
1990-07-10
Nucker, Christine M.
Chemistry: analytical and immunological testing
Pyrolysis, combustion, or elevated temperature conversion
Multiple stages of heating or heating at multiple...
436 38, 436150, 422 78, G01N 118
Patent
active
049406671
ABSTRACT:
An apparatus is disclosed for monitoring the quality of water, said apparatus comprising a first heated zone, means for introducing at least a portion of said water into said first heated zone, means for gently evaporating at least part of the water in the first heated zone and passing the vapor into and through a second heated zone, means for maintaining the temperature of said second heated zone in the range of from about 450.degree. to about 1000.degree. C., means for collecting and condensing vapor from said second heated zone to condensed liquid water and means for measuring the electrical impedance of at least a portion of said condensed liquid water.
REFERENCES:
patent: 2046583 (1936-07-01), Rummel
patent: 3158444 (1964-11-01), Larson et al.
patent: 3904365 (1975-09-01), Larson et al.
patent: 4472354 (1984-09-01), Passell et al.
patent: 4622306 (1986-11-01), Duve
Goldstein Arthur J.
Parsi Edgardo J.
Alexander Lyle Alfandary
Ionics Incorporated
Nucker Christine M.
Saliba Norman E.
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