Chemical reaction velocity measuring apparatus
US4063816A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 16, 1975 |
| Grant date | Dec 20, 1977 |
| Priority date | — |
| Expiry date | Dec 16, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T436/113332
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A chemical reaction velocity measuring apparatus by detecting change in light absorbance. The apparatus includes an optical system containing a means for alternately passing the lights of at least two different wavelengths and a detector; PA1 A sample holding means for arranging plural samples at regular spacings; PA1 An advancing means for intermittent advancement of said samples in such a manner that a sample and a vacant spacing between samples are alternately positioned at said two colorimetric measuring devices; and PA1 A means for detecting the change of light absorbance from the difference of absorbances measured at two wavelengths by said two colorimetric measuring devices.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.