The Application of Resonance-Enhanced Multiphoton Ionization Technique in Gas Chromatography Mass Spectrometry

Table 1

Quality parameter obtained using REMPI-GC/MS and determination of PAHs in a spiked water sample obtained from the artificial lake.

Retention order	Compound	Structure	MW	Peak area; (relative intensity)	LOD; (pg)	PAHs in the river	𝜏𝑠 in jet; (ns)^a	𝜏𝑠 in sol; (ns)^b	Absorption in sol; (logε)^c	REMPI; (mV/(μJ·pmol))^a
1	NAP		128	16	0.18	D	nf	96	3.4^c	30
2	ACY		152	0.1	18	ND	nf	nf	3.4^c	2
3	ACE		154	31	0.20	ND	nf	46	3.5^d	15
4	FLU		166	56	0.42	ND	nf	10	4.2^c	80
5	PHE		178	87	0.29	D	76	60	4.0^c	100
6	ANT		178	7.7	2.2	ND	8	5.3	3^e	1
7	FLT		202	10	1.9	D	38	53	nf	5
8	PYR		202	110	0.24	D	1400	650	nf	150
9	BaA		228	200	0.19	D	nf	45	nf	200
10	CHR		228	110	0.24	D	nf	44.7	4.8^c	120
11	BbF		252	71	0.32	D	nf	44.3	4.1^c	40
12	BkF		252	140	0.23	D	nf	11.3	nf	nf
13	BaP		252	190	0.19	D	270	49	nf	100
14	IND		276	29	1.3	D	nf	9.1	nf	nf
15	DBA		278	180	0.38	D	nf	37	4.2^c	90
16	BPY		276	99	0.6	D	nf	203	4.3^c	50

aReference [17], nf: not found. ^bReference [18]. ^cData compiled from NIST Standard Reference Database. Database, March 1998 Release: NIST Chemistry Web Book. ^dcalculated from [19] and ^ecalculated from [20]. D: detected, ND: not detected.