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Spectral measurements of stack effluents using a double-beam interferometer with background suppression

O. Shepherd, A. G. Hurd, R. B. Wattson, H. J. P. Smith, and G. A. Vanasse

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Abstract

The emission spectra of the effluents from four selected stacks were measured using a double-beam interferometer to provide real-time background suppression. The double-beam interferometer system, installed in a mobile van, provided the capability for field site measurements and near real-time graphical data display. The advantages of double-beam interferometric background suppression are discussed. Selected spectra were analyzed, and one, from a municipal incinerator, was compared with a fascode generated synthetic spectrum.

© 1981 Optical Society of America

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