BPA ((CH3)2C(C6H4OH)2), BPS (O2S(C6H4OH)2), and BPF (CH2(C6H4OH)2) were purchased from Millipore Sigma (Milwaukee, WI, USA). The three analytical standards are in solid form and have purity ≥98%. 2.2. FT-IR Spectroscopy and Spectral Measurement A Nicolet iS50 FT-IR spectromet...