Research Article

Preparation of Multiwalled Carbon Nanotubes/Hydroxyl-Terminated Silicone Oil Fiber and Its Application to Analysis of Crude Oils

Table 3

Identification of polycyclic terpanes and steranes marked in Figure 6.

No. CompoundsNo. Compounds

195.58 5.71 C2718 -trisnorhopane (Ts)2388.33 4.37 C2713 ,17 -20S-diacholestane
296.83 5.92 C2717 -trisnorhopane (Tm)2489.08 4.30 C2713 ,17 -20R-diacholestane
3101.42 5.57 C2917 ,21 -21-ethylhopane2589.62 4.32 C2713 ,17 -20S-diacholestane
4102.08 5.31 C2918 -30-norneohopane 2691.00 4.51 C2713 ,17 -20R-diacholestane
5102.58 5.55 C3017 -diahopane2793.67 4.48 C275 ,14 ,17 -20S-cholestane
6102.92 5.65 C2917 ,21α-21-ethylmoretane2894.08 4.51 C275 ,14 ,17 -20R-cholestane
7104.08 5.58 C3017 ,21 -21-isopropylhopane2994.33 4.56 C275 ,14 ,17 -20S-cholestane
8104.67 5.58 C30pentacyclic triterpane3095.00 4.61 C275 ,14 ,17 -20R-cholestane
9104.92 5.58 C2917 ,21 -21-ethylhopane3195.08 4.59 C2913 ,17 -20R-24-ethyldiacholestane
10105.25 5.62 C3017 ,21α-21-isopropylhopane3295.42 4.56 C2913 ,17 -20S-24-ethyldiacholestane
11107.17 5.55 C3117 ,21 -22S-21-isobutylhopane3396.83 4.64 C285 ,14 ,17 -20S-24-methylcholestane
12107.50 5.55 C3117 ,21 -22R-21-isobutylhopane3497.42 4.67 C285 ,14 ,17 -20R-24-methylcholestane
13107.83 6.13 Gammacerane3597.75 4.64 C285 ,14 ,17 -20S-24-methylcholestane
14108.50 5.60 C3117 ,21 -21-isobutylmoretane3698.58 4.66 C285 ,14 ,17 -20R-24-methylcholestane
15109.58 5.44 C3217α,21 -22S-21-isopentylhopane3799.58 4.59 C295 ,14 ,17 -20S-24-ethylcholestane
16110.17 5.46 C3217 ,21 -22R-21-isopentylhopane38100.08 4.58 C295 ,14 ,17 -20R-24-ethylcholestane
17112.42 5.42 C3317 ,21 -22S-21-isohexylhopane39100.50 4.62 C295 ,14 ,17 -20S-24-ethylcholestane
18113.17 5.42 C3317 ,21 -22R-21-isohexylhopane40101.50 4.66 C295 ,14 ,17 -20R-24-ethylcholestane
19115.33 5.42 C3417 ,21 -22S-21-isoheptylhopane41102.50 4.58 C305 ,14 ,17 -20S-4-methyl-24-ethylcholestane
20116.25 5.42 C3417 ,21 -22R-21-isoheptylhopane42102.75 4.59 C305 ,14 ,17 -20R-4-methyl-24-ethylcholestane
21118.25 5.38 C3517 ,21 -22S-21-isooctylhopane43102.83 4.58 C305 ,14 ,17 -20S-4-methyl-24-ethylcholestane
22119.33 5.41 C3517 ,21 -22R-21-isooctylhopane44103.92 4.56 C305 ,14 ,17 -20R-4-methyl-24-ethylcholestane