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MAP20071022831Todd, LoriEvaluation of an infrared open-path spectrometer using an exposure chamber and a calibration cell / L. Todd, G. RamachandranSumario: 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 beamEn: American Industrial Hygiene Association journal. - Akron, Ohio. - Vol. 56, nº 2, February 1995 ; p. 151-1571. Higiene industrial. 2. Ensayos. 3. Espectrometría. 4. Rayos infrarrojos. 5. Contaminación del aire. 6. Contaminación ambiental. I. Ramachandran, Ganapathy. II. Title. III. Título: American Industrial Hygiene Association journal.