Method and apparatus for determining the organic carbon content of water or of an aqueous solution

Method and apparatus for determining the organic carbon content of water or of an aqueous solution

An electrochemical detector (1) has a platinum electrode (2) and two further electrodes (3, 4) exposed to the water to be examined or to the aqueous solution. In conjunction with an automatic gain control amplifier (9), a program-control unit (15) serves to generate a series of pulses which act via...

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Hauptverfasser: MELNIK, ANATOLY VASILIEVICH, SEREBRYAKOV, IGOR VLADIMIROVICH, SINYAK, JURY EMELYANOVICH, SKURATOV, VLADIMIR MIKHAILOVICH, GROMYKO, VIOLETTA ANATOLIEVNA, FARAFONOV, NIKOLAI SERGEEVICH, CHICHUA, GURAM PAVLOVICH, LENTSNER, BORIS ISAAKOVICH, NOVIKOV, VLADIMIR MIKHAILOVICH, LEVINA, GALINA DMITRIEVNA, KAZARINOV, VLADIMIR EVGENIEVICH, ALEXEEV, VIKTOR NIKOLAEVICH, KUZMIN, VYACHESLAV GRIGORIEVICH, AMIRAGOV, MIKHAIL SERGEEVICH, SHMALTSEL, GAROLD NIKOLAEVICH, CHIZHOV, SERGEI VLADIMIROVICH, VASILIEV, JURY BORISOVICH, BOBE, LEONID SERGEEVICH, GAIDADYMOV, VIKTOR BORISOVICH, KHAZOVA, OLGA ALEXEEVNA
Format: Patent
Sprache:eng ; ger
Schlagworte:
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
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Beschreibung
Zusammenfassung:An electrochemical detector (1) has a platinum electrode (2) and two further electrodes (3, 4) exposed to the water to be examined or to the aqueous solution. In conjunction with an automatic gain control amplifier (9), a program-control unit (15) serves to generate a series of pulses which act via the platinum electrode (2). At least one of the pulses of predetermined size serves to clean the surface of the platinum electrode (2) in order to obtain reproducible measurement results during the subsequent measurement pulses. The electrochemical method which can be carried out with this apparatus replaces the known chemical analytical methods, can be automated and requires only a fraction of the time needed previously, with adequate precision of the measurement results.