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Table 5 Repeatability in 1H NMR method

From: A 1H NMR method for the estimation of hydrogen content for all petroleum products

Sample name No. of Exp H content (wt%)
Crude 1 C5-95 1 14.8
2 15.18
3 14.88
Crude 2 C5-95 1 14.72
2 15.28
3 14.89
Crude 3 C5-95 1 15.55
2 15.18
3 15.69
Crude 4 C5-95 1 15.00
2 15.38
3 15.49
Crude 1 149-250 1 14.05
2 14.19
3 13.91
Crude 5 149-250 1 13.95
2 14.02
3 14.09
Crude 7 149-250 1 14.45
2 14.40
3 14.55
Crude 4 149-250 1 14.27
2 14.35
3 14.41
Octadecane 1 15.23
2 15.26
3 15.24
Diesel Std 1 13.19
2 13.14
3 13.26
Ethylbenzene 1 8.72
2 8.84
3 8.73
Propylbenzene 1 10.09
2 10.03
3 10.11
Tetralin 1 8.94
2 9.04
3 8.98
Isooctane 1 16.02
2 16.01
3 16.02
Furfural 1 3.91
2 3.92
3 3.90