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

Table 4

Spiked recoveries of the six PAHs in real seawater samples.

Analytes	Spiked amounts (µg·L^−1)	Average recovery (%)	RSD (%) (n = 5)
Nap	5	106	4.2
	10	105	3.5
Acp	5	97.8	5.5
	10	95.3	7.5
Flu	5	86.2	9.7
	10	81.4	6.1
Ant	5	77.3	6.3
	10	79.8	6.0
FL	5	72.5	6.5
	10	70.3	4.9
Pyr	5	68.3	10.4
	10	67.2	8.2