Table 1 The elemental analysis of five asphaltenes17,26.

From: Experimental measurement and modeling of asphaltene adsorption onto iron oxide and lime nanoparticles in the presence and absence of water

Samples

N (%)

S (%)

O (%)

NSO (%)

H (%)

C (%)

H/C (molar ratio)

As-1

1.26

5

4.48

10.74

8.64

80.62

1.276

As-2

1.47

3.07

4.53

9.07

8.35

82.58

1.204

As-3

0.94

1.84

4.22

7

9.03

83.97

1.281

As-4

0.82

2.66

4.98

8.46

9.19

82.35

1.329

As-5

0.97

3.02

5.36

9.35

8.79

81.86

1.279

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