Figure 20. Calculated ratios of ethyl (blue, closed circles) and propyl (green, open circles) salicylate in ES:PS binary mixtures determined from the FTIR peak amplitudes vs. known ES gravimetric weight percentage. The R2 value of 0.96655 indicates a strong degree of correlation between the spectroscopic- and mass-derived values

From

Compositional Analysis of Short-chain Alkyl (C1-C4) Salicylate Ester Mixtures by Various Quantitative Analytical Techniques

Ronald P. D’Amelia, Shreya Prasad, Mary T. Rooney

World Journal of Analytical Chemistry. 2025, 10(1), 6-15 doi:10.12691/wjac-10-1-2