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M.A. Proskurnin, A.G. Abroskin and D.Yu. Radushkevich
J. Anal. Chem. (Russ.), v. 54 (1), p. 91-97 (1999)
ABSTRACT. A dual-beam thermal lens spectrometer that allows high-sensitive thermooptical detection in the flow was designed. An algorithm for data acquisition and processing was developed. The thermal lens spectrometer is used for the model determination of Methyl Orange (limit of detection, 10 ng/mL) and the chromium(III)-EDTA chelate (limit of detection, 50 ng/mL). Relative standard deviation of the results is 1-2%.