Patent · US Expired

Coulometric analysis method and a device therefor

US5909114A · kind A · utility

36Cited by
18References
28Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 23, 1997
Grant dateJun 1, 1999
Priority date
Expiry dateOct 23, 2017

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01N33/1806
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

The present invention provides a rapid coulometric analysis for the quantitative determination of a sample substance with high reproducibility without any application of voltage etc. from the outside, as well as a galvanic cell and a device for use in said coulometric analysis. According to the present invention, a wide variety of components can be analyzed by selection of electroactive substance introduced into the galvanic cell. The present invention enables a simple and easy analysis for food components such as glutamic acid, ascorbic acid, etc., water quality such as COD, etc.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.