Use of high-resolution monochromators for analytical optical emission spectroscopy

Jean-Michel Mermet; Madeleine Carre; A. Lemarchand

doi:10.1117/12.22096

1 December 1990 Use of high-resolution monochromators for analytical optical emission spectroscopy

Jean-Michel Mermet, Madeleine Carre, A. Lemarchand

Proceedings Volume 1318, Optical Spectroscopic Instrumentation and Techniques for the 1990s: Applications in Astronomy, Chemistry, and Physics; (1990) https://doi.org/10.1117/12.22096
Event: Optical Spectroscopic Instrumentation and Techniques for the 1990s: Applications in Astronomy, Chemistry, and Physics, 1990, Las Cruces, NM, United States

Abstract

The inductively coupled plasma is widely used as a radiation source in analytical emission spectrometry. Because of the richness of the spectra and the line broadening, the role of the resolving power of the dispersive system is very important. Monochromators allow a flexibility in line selection and can be optimized to obtain the best experimental resolution. Considering the range of the physical line widths of analytes observed in the plasma, specifications can be given for the instrumental broadening of the monochromator. Parameters influencing the instrumental broadening will be described with an emphasis on the resultant spectral slit width. Consequences on the optimization of the signal to background ratio will be discussed.

Citation Download Citation

Jean-Michel Mermet, Madeleine Carre, and A. Lemarchand "Use of high-resolution monochromators for analytical optical emission spectroscopy", Proc. SPIE 1318, Optical Spectroscopic Instrumentation and Techniques for the 1990s: Applications in Astronomy, Chemistry, and Physics, (1 December 1990); https://doi.org/10.1117/12.22096

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