Page 257 - Gas Wettability of Reservoir Rock Surfaces with Porous Media

Application of Gas Wettability CHAPTER 6 241

FIGURE 6.28
The paste when the sample is baked to 105 C.

FIGURE 6.29
Infrared spectrogram of the paste.

5. Separation test
The highly efficient and degradable degreaser was dried and sepa-
rated to obtain a white paste. The infrared spectrum is as shown in
Fig. 6.29.
It can be seen from Fig. 6.29 that the separated sample contains
22
ð
C 5 O; C 2 O; 2 OH; 2 SO ; 2 CH 2 ; 2 CH 3 ; 2 CH 2 Þ n . 4ð Þ and it
4 n
may also contain ether, ester, alcohol, and sulfate.