Dual-Beam Thermal Lens Measurement of Condensed-Phase Sample at CO2 Laser Wavelengths: Detection of Octadecanoic Acid in Carbon Tetrachloride-Reference-Cited by-同舟云学术

Dual-Beam Thermal Lens Measurement of Condensed-Phase Sample at CO2 Laser Wavelengths: Detection of Octadecanoic Acid in Carbon Tetrachloride

Published:1994-12 Issue:12 Volume:48 Page:1457-1460
ISSN:0003-7028
Container-title:Applied Spectroscopy
language:en
Short-container-title:Appl Spectrosc

Author:

Franko Mladen¹,Bicanic Dane¹,Bozóki Zoltán¹,Jalink Henk¹

Affiliation:

1. “Jožef Stefan” Institute, Jamova 39, 61111 Ljubljana, Slovenia (M.F.); Laser Photoacoustic Laboratory, Department of Agricultural Engineering and Physics, Agricultural University, Agrotechnion, Bomenweg 4, 6703 HD Wageningen, The Netherlands (D.B.); Department of Photophysics, Institute of Isotopes, Hungarian Academy of Sciences, Budapest, Hungary (Z.B.); and Centre for Plant Breeding and Reproduction Research, CPRO-DLO, P.O. Box 16, 6700 AA Wageningen, The Netherlands (H.J.)

Abstract

Detection of monobasic, straight-chain saturated fatty acid (octadecanoic C18:0) in CCl4, based on the thermal lens effect after excitation by CO2 laser radiation at 934.9 cm−1, is described for the first time. The achieved limit of detection (LOD = 0.3%) is comparable to that of the transmission infrared technique. Possibilities for further improvements in sensitivity and detection limit are also discussed.

Publisher

SAGE Publications

Subject

Spectroscopy,Instrumentation

Link

http://journals.sagepub.com/doi/pdf/10.1366/0003702944027868

Reference9 articles.

1. A simple and rapid colorimetric method for determination of free fatty acids for lipase assay

2. Thermo-Optical Spectrophotometries in Analytical Chemistry

3. Infrared Laser-Induced Thermal Lens Calorimetry

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