Porous polymer film calcium ion chemical sensor and method of using the same
US4992382A · kind A · utility
2Cited by
12References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 21, 1989 |
| Grant date | Feb 12, 1991 |
| Priority date | — |
| Expiry date | Aug 21, 2009 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N31/22
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method of measuring calcium ions is disclosed wherein a calcium sensitive reagent, calcichrome, is immobilized on a porour polymer film. The reaction of the calcium sensitive reagent to the Ca(II) is then measured and concentration determined as a function of the reaction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.