Recognition Preference of Rhodamine Derivative Bearing Phthalimido Gly for Hg^𝟐+ by UV-Vis and Fluorescence Spectroscopy

Figure 2

Benesi-Hildebrand plot (absorbance at 561 nm) of probe 1, assuming 1 : 1 stoichiometry for association between 1 and Hg²⁺.