Table 3 Compounds identified in bio-oil produced with urea.

From: Urea enhances the yield and quality of bio-oil produced from corncob through pyrolysis

S/N

Retention time

Peak area

Compounds

3

8.0282

1.3807

Pentasiloxane, dodecamethyl-

4

8.6462

0.0818

Hexasiloxane, 1,1,3,3,5,5,7,7,9,9,11,11-dodecamethyl-

6

9.2413

0.173

Hexasiloxane, tetradecamethyl-

7

9.659

0.2444

Cyclopentasiloxane, decamethyl-

8

9.8192

0.1166

Hexasiloxane, tetradecamethyl-

9

10.1854

0.0982

Cyclohexasiloxane, dodecamethyl-

10

10.6432

0.2466

Cyclohexasiloxane, dodecamethyl-

12

11.0266

0.1046

Cyclohexasiloxane, dodecamethyl-

13

11.3298

0.2541

Hexasiloxane, 1,1,3,3,5,5,7,7,9,9,11,11-dodecamethyl-

14

11.4958

0.3761

Hexasiloxane, 1,1,3,3,5,5,7,7,9,9,11,11-dodecamethyl-

15

12.0394

0.6328

Hexasiloxane, 1,1,3,3,5,5,7,7,9,9,11,11-dodecamethyl-

16

12.0966

0.7456

Cycloheptasiloxane, tetradecamethyl-

22

13.0407

2.9304

Cyclooctasiloxane, hexadecamethyl-

23

13.2066

0.4235

Cyclooctasiloxane, hexadecamethyl-

24

13.5557

3.3062

Heptasiloxane, 1,1,3,3,5,5,7,7,9,9,11,11,13,13-tetradecamethyl-

25

13.7617

0.4592

Heptasiloxane, 1,1,3,3,5,5,7,7,9,9,11,11,13,13-tetradecamethyl-

26

14.2538

0.3137

Heptasiloxane, 1,1,3,3,5,5,7,7,9,9,11,11,13,13-tetradecamethyl-

27

14.4312

2.4346

Cyclononasiloxane, octadecamethyl-

28

14.9404

0.1606

Hexasiloxane, tetradecamethyl-

30

15.0491

0.9874

Cyclononasiloxane, octadecamethyl-

31

15.3124

0.3123

Octasiloxane, 1,1,3,3,5,5,7,7,9,9,11,11,13,13,15,15-hexadecamethyl-

32

16.0677

0.2145

Heptasiloxane, 1,1,3,3,5,5,7,7,9,9,11,11,13,13-tetradecamethyl-

36

17.3437

0.4244

Hexasiloxane, tetradecamethyl-

39

18.7399

1.7041

Cyclooctasiloxane, hexadecamethyl-

40

19.5066

0.446

Octasiloxane, 1,1,3,3,5,5,7,7,9,9,11,11,13,13,15,15-hexadecamethyl-

51

22.2532

0.2957

Hexasiloxane, 1,1,3,3,5,5,7,7,9,9,11,11-dodecamethyl-

53

23.0142

6.5194

Cyclooctasiloxane, hexadecamethyl-

65

28.1755

0.3205

Cyclotrisiloxane, hexamethyl-

68

28.6791

6.3997

Tetracosamethyl-cyclododecasiloxane

71

29.9322

15.7941

Tetracosamethyl-cyclododecasiloxane

72

31.0995

13.1788

Tetracosamethyl-cyclododecasiloxane

73

32.4556

6.4381

Tetracosamethyl-cyclododecasiloxane

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