Preparation of Multiwalled Carbon Nanotubes/Hydroxyl-Terminated Silicone Oil Fiber and Its Application to Analysis of Crude Oils
Figure 3
The extraction temperature profile for 4 representative compounds. Conditions: extraction time, 30 min; desorption time, 5 min; saturated out with NaCl; magnetic stirring. Peaks: 1, nC17-alkane; 2, pristine; 3, naphthalene; and 4, 5-α-Androstane.
