| 摘要 |
A visible emission spectra generator for a gaseous mixture includes a chamber l0 for receiving the gas to be analysed, electrodes l4 and l6 positioned externally about the chamber l0 and longitudinally disposed with respect to one another, an RF energy source 52 connected to the electrodes to establish a current therebetween for generating the visible emission spectra of the gaseous mixture to be analysed. The spectral emission is collimated by collimator 34 and a filter assembly 36 is employed to transmit wavelengths representative of the components of the gas mixture to photodetector device 30 disposed proximate the chamber to receive the thus generated light or visible emission spectra. A data processing assembly 40 for evaluating the spectral signals received by the photodetector device and suitable display and/or recording assemblies 42. |
