Estudo do Índice de Refração de Soluções Líquidas Binárias Formadas por Álcool e Água em Diferentes Temperaturas

Alessandro Cazonatto Galvão, Weber da Silva Robazza, Iola Radetski da Silva, Cíntia Mara de Almeida

Abstract


O estudo refratométrico de soluções líquidas binárias pode fornecer informações relevantes relacionadas ao comportamento das moléculas presentes em uma solução. No presente trabalho foram determinados os valores de índice de refração para as soluções líquidas binárias formadas por água e etanol ou isopropanol, assim como os desvios de índice de refração, nas temperaturas de 293 K, 303 K, 313 K, 323 K e 333 K para toda a faixa de composição molar. A equação de Redlich-Kister foi aplicada para correlacionar os valores do desvio de índice de refração.


Keywords


índice de refração, soluções binárias, interação molecular

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DOI: http://dx.doi.org/10.5902/2179460X17312

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