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. 2021 Sep 25;13(19):3269. doi: 10.3390/polym13193269

Table 5.

IFT values of formic acid, acetone, and butanone with 0.5% APG and 2% NaCl.

Sample No. Concentration of Acetone/Butanone/Formic Acid (%) IFT (dyne/cm)
Acetone Butanone Formic Acid
1 0 23 23 23
2 0.1 0.31 0.31 0.29
3 0.2 0.3 0.25 0.19
4 0.4 0.37 0.24 0.27
5 0.6 0.2 0.25 0.22
6 0.8 0.25 0.25 0.25
7 1 0.25 0.25 0.2