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Información tecnológica

versão On-line ISSN 0718-0764

Resumo

ARSUAGA, J.M; RUBIO, J.E.F; TARAVILLO, M  e  CACERES, M. Experimental Equipment for the Determination of Light Scattering Spectrum of Liquids. Inf. tecnol. [online]. 2004, vol.15, n.1, pp.75-80. ISSN 0718-0764.  http://dx.doi.org/10.4067/S0718-07642004000100012.

The goal of this work is the description of an experimental equipment for the determination of polarized and depolarized dynamic light scattering spectra in liquids, at temperatures between 288 and 368 K. The spectra analysis has been carried out by using an interferometric technique. The main elements of the technique and the operating procedure for obtaining the experimental spectra are described. The suitability of the experimental equipment has been proved by measuring spectra VV and VH for some liquids already presented in the literature. The measured spectra for n-hexadecane are in satisfactory agreement with the literature data. The conclusion is that the proposed experimental equipment allows obtaining acceptable VV and VH spectra for liquids.

Palavras-chave : light scattering; light spectrum; interferometric technique VV and VH spectra.

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