Infrared spectrometer interface for thermogravimetric analysis
US4914297A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 23, 1987 |
| Grant date | Apr 3, 1990 |
| Priority date | — |
| Expiry date | Dec 23, 2007 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N21/3504
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A thermogravimetric analysis flow cell interface unit has an elongated tubular cell body, glass inlet and outlet transfer lines integrally connected to the cell body for flowing a gas therethrough, a window element for allowing passage of an infrared radiation beam into and out of the cell body, and a mirror element for reflecting the radiation beam back through the cell body. The mirror element and the window element are assembled to the cell body in such a manner that the entire unit may be quickly disassembled and reassembled for easy cleaning and replacement. The flow cell assembly is adapted to interface a thermogravimetric analyzer and an infrared spectrometer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.