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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

  • Editor: Gregory W. Faris
  • Vol. 2, Iss. 8 — Aug. 10, 2007

Potential of Far-Ultraviolet Absorption Spectroscopy as a Highly Sensitive Qualitative and Quantitative Analysis Method for Polymer Films, Part I: Classification of Commercial Food Wrap Films

Harumi Sato, Noboru Higashi, Akifumi Ikehata, Noriko Koide, and Yukihiro Ozaki

Applied Spectroscopy, Vol. 61, Issue 7, pp. 780-783 (2007)


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Abstract

The aim of the present study is to propose a totally new technique for the utilization of far-ultraviolet (UV) spectroscopy in polymer thin film analysis. Far-UV spectra in the 120–300 nm region have been measured in situ for six kinds of commercial polymer wrap films by use of a novel type of far-UV spectrometer that does not need vacuum evaporation. These films can be straightforwardly classified into three groups, polyethylene (PE) films, polyvinyl chloride (PVC) films, and polyvinylidene chloride (PVDC) films, by using the raw spectra. The differences in the wavelength of the absorption band due to the σ–σ* transition of the C–C bond have been used for the classification of the six kinds of films. Using this method, it was easy to distinguish the three kinds of PE films and to separate the two kinds of PVDC films. Compared with other spectroscopic methods, the advantages of this technique include nondestructive analysis, easy spectral measurement, high sensitivity, and simple spectral analysis. The present study has demonstrated that far-UV spectroscopy is a very promising technique for polymer film analysis.

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Vol. 2, Iss. 8 Virtual Journal for Biomedical Optics

Citation
Harumi Sato, Noboru Higashi, Akifumi Ikehata, Noriko Koide, and Yukihiro Ozaki, "Potential of Far-Ultraviolet Absorption Spectroscopy as a Highly Sensitive Qualitative and Quantitative Analysis Method for Polymer Films, Part I: Classification of Commercial Food Wrap Films," Appl. Spectrosc. 61, 780-783 (2007)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=as-61-7-780

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