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Table 2 Quantitative method performance for chlorinated and brominated polycyclic aromatic hydrocarbons

From: Non-target screening of organic pollutants and target analysis of halogenated polycyclic aromatic hydrocarbons in the atmosphere around metallurgical plants by high-resolution GC/Q-TOF-MS

Compound name

Retention time/min

Quantitative ion

Qualitative ion

Internal standard (ISTD)

LOQ/pg/μL

Polychlorinated naphthene (Nap)

 2-Cl-Nap

11.66

162.0231

164.0202

ISTD 1

3.0

 1,5-diCl-Nap

15.96

195.9841

197.9812

ISTD 1

3.5

 1,2,3-TriCl-Nap

22.38

229.9451

231.9422

ISTD 1

2.6

 1,2,3,5-TetraCl-Nap

27.81

265.9033

263.9062

ISTD 2

2.1

 1,2,3,5,7-PentaCl-Nap

32.47

299.8643

301.8614

ISTD 3

2.4

 1,2,3,4,6,7-HexaCl-Nap

39.94

333.8253

335.8224

ISTD 4

2.7

 1,2,3,4,5,6,7-HeptaCl-Nap

47.91

367.7863

365.7892

ISTD 5

3.5

 OctaCl-Nap

52.92

403.7444

401.7473

ISTD 6

5.0

 ISTD 1_1,3,5,7-TetraCl-Nap-13C

24.92

275.9368

273.9397

  

 ISTD 2_1,2,3,4-TetraCl-Nap-13C

28.39

275.9368

273.9397

  

 ISTD 3_1,2,3,5,7-PentaCl-Nap-13C

32.45

309.8978

311.8948

  

 ISTD 4_1,2,3,5,6,7-HexaCl-Nap-13C

39.98

343.8588

345.8559

  

 ISTD 5_1,2,3,4,5,6,7-HeptaCl-Nap-13C

47.90

377.8199

379.8169

  

 ISTD 6_OctaCl-Nap-13C

52.92

413.7779

411.7809

  

5-Bromoacenapthene

23.54

231.9882

233.9862

ISTD 7

2.1

2-Bromofluorene

26.74

243.9882

245.9862

ISTD 7

2.9

3-Chlorophenanthrene

29.29

212.0389

214.0358

ISTD 7

1.6

2/9-Chlorophenanthrene

29.59

212.0389

214.0358

ISTD 7

1.0

1-Chloroanthracene

29.59

212.0389

214.0358

ISTD 8

1.5

2-Chloroanthracene

30.01

212.0389

214.0358

ISTD 8

3.3

2,7-2 Chlorofluorene

30.62

233.9998

235.9968

ISTD 8

2.3

1,2-Dibromoacenaphthylene

30.70

309.8811

307.8831

ISTD 8

4.2

3-Bromophenanthrene

33.06

257.9867

255.9883

ISTD 9

2.7

9-Bromophenanthrene

33.47

257.9867

255.9883

ISTD 9

3.3

2-Bromophenanthrene

33.47

257.9867

255.9883

ISTD 9

4.7

1-Bromoanthracene

33.70

257.9867

255.9883

ISTD 9

3.8

9-Bromoanthracene

34.02

257.9867

255.9883

ISTD 9

3.9

1,4-Dichloroanthracene

36.08

245.9998

247.9968

ISTD 9

1.5

1,5/9,10-Dichloroanthracene

36.59

245.9998

247.9968

ISTD 9

2.6

9,10-Dichlorophenanthrene

37.07

245.9998

247.9968

ISTD 9

2.8

2,7-Dibromofluorene

38.37

323.8967

325.8947

ISTD 9

2.9

3-Bromofluoranthene

42.99

279.9883

281.9862

ISTD 10

2.7

1,8/1,5-Dibromoanthracene

43.94

335.8967

337.8947

ISTD 10

3.6

9,10-Dibromoanthracene

44.31

335.8967

337.8947

ISTD 10

3.2

4-Bromopyrene

44.80

279.9883

281.9862

ISTD 10

3.9

9,10-Dibromophenanthrene

44.87

335.8967

337.8947

ISTD 10

2.9

1-Bromopyrene

45.02

279.9883

281.9862

ISTD 10

2.3

3,8-Dichlorofluoranthene

46.03

269.9998

271.9969

ISTD 10

4.5

1,5,9,10-Tetrachloroanthracene

51.35

315.9189

313.9218

ISTD 11

4.5

2-Bromotriphenylene

52.81

306.0039

308.0019

ISTD 12

4.0

1,6-Dibromopyrene

53.21

359.8967

361.8947

ISTD 12

4.5

6-Chlorobenzo[a]pyrene

59.39

286.0544

288.0515

ISTD 12

7.2

ISTD 7_9-Chlorophenanthrene-13C

29.56

218.0589

220.0559

  

ISTD 8_2-Chloroanthracene-13C

30.01

218.0589

220.0559

  

ISTD 9_9-Bromophenanthrene-D9

33.20

265.0447

267.0427

  

ISTD 10_1-Chloropyrene-13C

41.16

242.0589

244.0559

  

ISTD 11_7-Chlorobenz[a]anthracene-13C

50.63

268.0745

270.0716

  

ISTD 12_7-Bromobenz[a]anthracene-13C

53.23

312.0240

314.0220

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