Table 2.

Mass shares of PAHs groups considering number of rings in the particle (wt)

Sample number	Number of rings in the molecule
	2–3	4	5–6
1	9.20	51.40	39.40
2	86.56	13.44	-
3	79.56	18.31	2.14
4	82.36	15.55	2.09
5	83.27	14.76	1.97
6	98.14	1.55	0.31
7	3.47	95.47	1.06
8	5.38	90.69	3.93
9	15.44	73.69	10.87
10	41.70	44.08	14.23
11	7.79	71.72	20.49
12	33.86	8.21	57.93
13	36.85	45.75	17.41
14	68.89	27.36	3.76
15	53.53	43.34	3.13
16	46.74	29.98	23.28
17	27.56	25.44	47.00
18	11.48	36.78	51.74
19	12.26	30.41	57.33