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International Journal of Spectroscopy
Volume 2012 (2012), Article ID 474639, 5 pages
doi:10.1155/2012/474639
Integrated Band Intensities of Ethylene () by Fourier Transform Infrared Spectroscopy
Natural Sciences and Science Education, National Institute of Education, Nanyang Technological University, 1 Nanyang Walk, 637616, Singapore
Received 22 June 2012; Accepted 22 July 2012
Academic Editor: Karol Jackowski
Copyright © 2012 G. B. Lebron and T. L. Tan. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract
The integrated band intensities of ethylene (12C2H4) in the 640–3260 cm−1 region were determined by Fourier transform infrared (FTIR) spectroscopy. The infrared absorbance spectra of the and , , , , , and and bands of ethylene recorded at a resolution of 0.5 cm−1 were measured at an ambient temperature of 296 K at various vapor pressures ranging from to atm to obtain respective Beer-Lambert's law plots. The measured integrated band intensities in cm−1/cm atm were , , , and . In addition, the measured infrared band intensities of the and combination bands of ethylene are reported for the first time: cm−1/cm atm and cm−1/cm atm.