No.

Sample name

C, %

H, %

N, %

S and O, %

1

Oil (sample No.1)

82.78

12.56

0.47

4.19

2

Deasphaltizate

83.87

12.78

0.42

2.93

3

Asphalt

83.53

9.75

0.91

5.81

4

Bitumen

83.72

12.06

0.61

3.61