Skip to main content
. 2023 Nov 20;16(22):7235. doi: 10.3390/ma16227235

Table 5.

Molecular distribution ratio of components in molecular model of 70 # base asphalt.

SARA Component Molecule Relative Molecular Mass/g mol−1 Atomicity Number of Model Molecules Model Atomic Number Mass Fraction (%) Model Scale
(%)
Saturate A 422.9 92 5 460 7.3 15.6
B 483.0 97 5 485 8.3
Aromatics A 464.8 79 15 1185 24.1 45.2
B 406.8 76 15 1140 21.1
Asphaltene A 575.0 97 2 194 4.0 15.0
B 888.5 148 2 296 6.1
C 707.2 114 2 228 4.9
Colloid A 503.9 94 3 282 5.2 24.2
B 573.1 101 3 303 5.9
C 414.8 80 3 240 4.3
D 554.0 100 3 300 5.7
E 290.4 30 3 90 3.0