Detection of Polycyclic Aromatic Hydrocarbons in Water Samples by Annular Platform-Supported Ionic Liquid-Based Headspace Liquid-Phase Microextraction

Table 1

The fluorescence detection wavelengths for PAHs.

Time (min)	λex (nm)	λem (nm)
0	275	325
6.85	252	370
7.80	250	390
9.00	280	460
10.0	320	380
11.5	270	390