Keywords Water content Water determination ﬂuorescent and colorimetric molecular sensors seems to Solvatochromic dye Preferential solvation UV–Vis have great meaning. These sensors make possible in situ spectroscopy analysis of water content in organic solvents with high sensitivity and precision and low detection limits. Their applicability in water determination results from the fact Introduction that the addition of water into an organic solvent leads to the changes in intensities of their emission or absorption Determination of water content in organic solvents plays an spectra and/or the spectral shifts of the sensors (Langhals important role in many laboratory and industry applica- 1990; Pinheiro et al. 2006; Cha et al. 2011; Rananaware tions. Indeed, even small amount of water can change the et al. 2015a, b; Jung et al. 2016). Some examples of these rate and the direction of organic syntheses, the polarity of compounds, as well as the mechanism of their action have phases in chromatographic methods, the quality of fuel, etc. been freshly described by Jung et al. (2016). Actually, The Karl Fischer titration and its modiﬁcations (Mitchell ﬂuorescent probes allow to obtain greater sensitivity than and Smith 1977; Scholz 1984; Liang 1990; Schoffski 2001; the
Chemical Papers – Springer Journals
Published: Oct 28, 2017
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