Journal of Analytical Methods in Chemistry

Research Article

Analysis of Specific Perfluorohexane Sulfonate Isomers by Liquid Chromatography-Tandem Mass Spectrometry: Method Development and Application in Source Apportionment

Table 5

Concentration and compositions of water samples.


		1m-PFHxS	2m-PFHxS	3m-PFHxS	iso-PFHxS	n-PFHxS

Haihe river-1 (J2)^a	Conc (ng/L)	0.061	0.013	0.028	0.064	1.32
Haihe river-1 (J2)^a	Proportion (%)	4.1	0.9	1.9	4.3	88.8

Haihe river -2 (Y3)^a	Conc (ng/L)	0.027	0.017	0.017	0.064	1.05
Haihe river -2 (Y3)^a	Proportion (%)	2.3	1.4	1.5	5.4	89.4

Haihe river -3 (MR1)^a	Conc (ng/L)	0.072	0.029	0.042	0.13	2.38
Haihe river -3 (MR1)^a	Proportion (%)	2.7	1.1	1.6	4.9	89.7

Taihu lake-1 (W36)^a	Conc (ng/L)	N.D.	0.079	0.43	0.12	4.63
Taihu lake-1 (W36)^a	Proportion (%)	N.D.	1.5	8.2	2.3	88.1

Taihu lake--2 (W37)^a	Conc (ng/L)	0.072	0.058	0.067	0.17	4.43
Taihu lake--2 (W37)^a	Proportion (%)	1.5	1.2	1.4	3.6	92.2

Drinking water-1^b	Conc (ng/L)	0.035	0.043	0.034	0.096	1.39
Drinking water-1^b	Proportion (%)	2.2	2.7	2.1	6.0	87.1

Drinking water -2^b	Conc (ng/L)	0.035	0.020	0.034	0.058	1.05
Drinking water -2^b	Proportion (%)	2.9	1.7	2.8	4.8	87.8

^a: The sample points in brackets and treatment procedures, please refer to the literature [30, 31] for details; ^b: Drinking water collection and treatment methods, see references for details [39]. N.D.: not detected.