Chemical structures of the phenols (Fig. S1). PFP column separation
mechanisms (Fig. S2). Chromatograms of phenol calibration
standards obtained by the traditional HPLC method (A) and the
new HPLC method (B) (Fig. S3). Calibration curves (Fig. S4). Chromatograms
of phenolic compounds for a sidestream ISO smoke
sample of KY3R4F cigarettes obtained with two different PFP
columns (Fig.S5). Enlarged sections of chromatograms of the phenol
and guaiacol peaks for a KY3R4F smoke sample obtained by the traditional
HPLC method (A) and the new HPLC method (B) (Fig. S6).
Typical calibration standard solutions (Table S1) and advantages
of the new HPLC method compared to the HC HPLC method
(Table S2).