Preferential solvation bromophenol blue in water-alcohol binary mixture.
作者： Anayana Z. Dangui , Vanessa M.S. Santos , Benhur S. Gomes , Taiane S. de Castilho , Keller P. Nicolini
DOI: 10.1016/J.SAA.2018.05.087
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摘要: Abstract In this study, the perichromic behavior of bromophenol blue (BPB) in various binary solvent mixtures was investigated. The considered were comprised water and methanol (MeOH), ethanol (EtOH), n-propanol (n-PrOH), isopropanol (iso-PrOH) or t-butanol (t-BuOH). investigation a preferential solvation model that considers addition small quantities alcohol to presence is described paper. data obtained employed study (PS) probe. It observed with increases molar fraction spontaneity system decreases. This can be explained by high solubility BPB ethanol, ∆G > 0 at higher wavelengths (region rich violet solution) ∆G
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