Evaluation of an infrared open-path spectrometer using an exposure chamber and a calibration cell

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      <subfield code="a">The purpose of this study was to evaluate the use of a controlled exposure chamber and a calibration cell for investigating open-path spectrometer measurement accuracy for the industrial hygiene application. Stable homogeneous and heterogeneous pollutant concentrations were generated in these controlled environments, and open-path measurements were compared with point samples taken along the beam</subfield>
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      <subfield code="g">Vol. 56, nº 2, February 1995 ; p. 151-157</subfield>
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