Quantitative Raman spectroscopy for the Ioncell™ process. Part 1: comparison of univariate and multivariate calibration methods for the quantification of water and protic ionic liquid components

We investigate in this paper the potential of Raman spectroscopy for the quantification of protic ionic liquid components (acid and base) and water, in ionic liquid/water mixtures, taking 1.5-Diazabicyclo[4.3.0]non-5-enium acetate ([DBNH][OAc]) as a case study. We show that the combination of Raman...

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