Polarographic densitometer

Details Polarographic densitometer Polarographic densitometer

2006-10-17

2006-10-17

Nguyen, Vincent Q. (Department: 2858)

Electricity: measuring and testing

Using ionization effects

For analysis of gas, vapor, or particles of matter

C324S713000, C399S074000

Reexamination Certificate

active

07123019

ABSTRACT:
A polarographic densitometer has a voltage applying circuit, a sensor unit, an impedance reduction circuit, and a current/density conversion unit. The voltage applying circuit applies specified voltage, and the sensor unit includes a group of electrodes to produce a current output in response to any reaction caused in a specimen when the specified voltage is applied by the voltage applying circuit. Furthermore, the impedance reduction circuit reduces impedance of the specimen between the electrodes of the group, and the current/density conversion unit converts the current output of the sensor unit when the impedance is reduced by the impedance reduction circuit into the density of specific material in the specimen.

REFERENCES:
patent: 4950378 (1990-08-01), Nagata
patent: 5781455 (1998-07-01), Hyodo
patent: 2002-214220 (2002-07-01), None

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