Table 1 The optimized UPLC-MS/MS acquisition parameters, LOD and LOQ of the method for fluorinated alternatives

From: A novel pretreatment method for fluorinated alternatives in soil and sediment using accelerated solvent extraction

Fluorinated alternatives

Precursor ions (m/z)

Productions (m/z)

Collision energy (v)

Retention times (min)

LOD (ng/g)

LOQ (ng/g)

6:2 Cl-PFAES

531

351

27

9.278

0.16

0.64

6:2 FTS

427

407

23

8.527

0.20

0.80

OBS

603

172

41

9.713

0.16

0.64

Et-PFOA

413

369

10

8.567

0.14

0.56

13C4-PFOA

417

372

51

 

/

/

13C4-PFOS

503

80

27

 

/

/

13C2-PFOA

415

370

10

 

/

/

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