Determination of Polycyclic Aromatic Hydrocarbons in Tea Infusions Samples by High Performance Liquid Chromatography with Fluorimetric Detection

Table 1

Analytical characteristics of chromatographic method.

Peak	Polycyclic aromatic hydrocarbons	Retention time; (min) ±; standard deviation; (sample = 10)	Linearity range; (ng/L)	Regression coefficient	Detection limit (signal/noise = 3); (ng/L)
1	Naphthalene		2.1–500	0.9998	0.63
2	Acenaphtene		5.3–300	0.9998	1.60
3	Fluorene		5.0–30	0.9509	1.50
4	Phenanthrene		1.7–40	0.9963	0.35
5	Anthracene		0.66–20	0.9999	0.20
6	Fluoranthene		4.2–15	0.9930	1.25
7	Pyrene		7.0–100	0.9984	2.10
8	Benz[a]anthracene		1.5–30	0.9962	0.45
9	Chrysene		1.5–50	0.9970	0.45
10	Benzo[b]fluoranthene		6.7–20	0.9938	2.00
11	Benzo[k]fluoranthene		0.83–20	0.9965	0.25
12	Benzo[a]pyrene		2.1–50	0.9948	0.63
13	Dibenz[a,h]anthracene		2.0–200	0.9973	0.60
14	Benzo[ghi]perylene		4.6–80	0.9969	1.40
15	Indeno[1,2,3-cd]pyrene		33–50	0.9944	10