Sensor to measure a concentration of alkali alcoholate
US8382974B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 16, 2010 |
| Grant date | Feb 26, 2013 |
| Priority date | — |
| Expiry date | Jun 26, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N27/49
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A sodium sensor to measure a concentration of sodium methylate in methanol. The sensor assembly includes a solid alkali ion conducting membrane, a reference electrode, and a measurement electrode. The solid alkali ion conducting membrane transports ions between two alkali-containing solutions, including an aqueous solution and a non-aqueous solution. The reference electrode is at least partially within an alkali halide solution of a known alkali concentration on a first side of the solid alkali ion conducting membrane. The measurement electrode is on a second side of the solid alkali ion conducting membrane. The measurement electrode exhibits a measurable electrical characteristic corresponding to a measured alkali concentration within the non-aqueous solution, to which the measurement electrode is exposed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.