No. |
Sample |
The concentration of solution, g/l |
The threshold concentration of n-heptane, % wt. |
1 |
Oil (top part) |
500 |
60.8 |
2 |
Oil (bottom part) |
500 |
57.5 |
3 |
Oil (top part) |
125 |
61.4 |
4 |
Oil (bottom part) |
125 |
59.7 |
5 |
Maltenes + А1 asphaltenes (5%) (top part) |
125 |
48.1 |
6 |
Maltenes + А1 asphaltenes (15%) top part) |
125 |
43.3 |
7 |
Maltenes + А2 asphaltenes (5%) (top part) |
125 |
77.4 |
8 |
Maltenes + А1 asphaltenes (5%) (bottom part) |
125 |
44.9 |
9 |
Maltenes + А2 asphaltenes (5%) (bottom part) |
125 |
69.5 |