. 2021 Sep 10;6(37):24256–24268. doi: 10.1021/acsomega.1c04224

Table 3. Results of Elemental Analysis of Six Asphaltene Samples.

	C (%)	H (%)	N (%)	S (%)	O (%)	N + S + O (%)	H/C molar ratio
As-1⁴⁵	80.62	8.64	1.26	5	4.48	10.74	1.276
As-2²⁹	82.58	8.35	1.47	3.07	4.53	9.07	1.204
As-3	83.97	9.03	0.94	1.84	4.22	7	1.281
As-4²⁹	81.56	8.80	1.13	2.05	6.46	9.64	1.285
As-5⁴⁵	82.35	9.19	0.82	2.66	4.98	8.46	1.329
As-6⁴⁵	81.86	8.79	0.97	3.02	5.36	9.35	1.279