Determination of Per- and Polyfluoroalkyl Substances in Craft Villages and Industrial Environments of Vietnam

Table 1

MS/MS parameter for PFAS analysis.

No.	PFAS	Precursor ion (m/z)	Product ion (m/z)	Q1 Pre Bias (V)	CE (V)	Q3 Pre Bias (V)
1.	MPFHxS	403	73.9/102.9	19/19	49/39	28/15
2.	MPFOS	503	79.9/99.1	24/24	55/48	29/15
4.	MPFHxA	314.95	270.15/119.15	15/15	8/20	25/20
5.	MPFOA	416.95	372.05/172.2	20/20	10/19	23/30
6.	MPFNA	467.95	423.1/219.15	22/22	10/16	26/20
7.	MPFDA	514.9	469.95/219.10	24/24	11/19	30/19
8.	MPFUdA	564.9	519.95/169.1	28/28	11/26	34/28
9.	MPFDoA	614.9	569.9/169.1	30/30	12/30	36/28
10.	PFHxA	312.8	269/118.95	22/22	9/21	25/18
11.	PFOA	412.8	368.95/169.05	20/20	10/19	22/28
12.	PFNA	462.8	418.95/219.05	22/22	10/17	26/20
13.	PFDA	512.85	469.2/219.1	24/24	11/19	30/12
14.	PFUdA	562.8	518.95/269.1	40/40	12/17	34/26
15.	PFDoA	612.8	568.95/318.75	22/22	12/20	38,29
16.	PFHxS	398.8	79.95/98.95	27/27	46/35	28/16
17.	PFOS	498.85	80.15/99.05	24/24	50/43	28/15