Method for measuring the concentration of a substance in a solution
US6114176A · kind A · utility
74Cited by
6References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 17, 1997 |
| Grant date | Sep 5, 2000 |
| Priority date | — |
| Expiry date | Apr 17, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T436/25
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Methods and apparatus for measuring the concentration of decomposable substances, such as urea, are disclosed. The disclosed methods include adding a gaseous buffer, such as CO.sub.2, to the solution containing the decomposable compound, measuring the conductivity of the solution, decomposing the decomposable compound, measuring the conductivity of the thus-decomposed compound solution, and calculating the differential conductivities between the two measured solutions. The apparatus for carrying out these methods are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.