International Journal of Spectroscopy / 2013 / Article / Tab 1

Research Article

Intermolecular Interactions between Eosin Y and Caffeine Using 1H-NMR Spectroscopy

Table 1

The 1H-NMR chemical shifts ( ) in ppm of eosin Y aromatic protons in the samples of eosin Y alone compared to eosin Y-caffeine mixture.

Sample

Eosin Y7.477.477.167.607.667.80
Eosin Y + caffeine7.517.517.327.677.747.83

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