Ion exchange membrane separated two electrode flow analyzer for continuous aqueous electrochemical heavy metal detection
US12365998B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 23, 2021 |
| Grant date | Jul 22, 2025 |
| Priority date | — |
| Expiry date | Nov 26, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N33/1813
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An ion exchange membrane separated two electrode flow analyzer for continuous aqueous electrochemical heavy metal detection is disclosed. The electrochemical cell includes a gas diffusion counter/reference electrode, a flooded flow through working electrode, and an ion exchange membrane that separates the gas diffusion counter/reference electrode and the flooded flow through working electrode. A method of continuous fluid analysis using a multi-electrode flow analyzer is also disclosed, including passing an aqueous sample through a first inlet flow area and into a working electrode of a multi-electrode flow analyzer, passing a gas mixture through a second inlet flow area and into a counter/reference electrode of the multi-electrode flow analyzer, depositing an analyte onto a surface of the working electrode, stripping the analyte from the surface of the working electrode by sweeping a range of a potential applied to the surface of the working electrode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.