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. 2021 May 12;21(10):3385. doi: 10.3390/s21103385

Table 4.

The resonant frequency and Q-factor of different concentrations of ethanol-water solution (from 1% to 9% with step of 1%).

Sample Frequency Shift (MHz) Q-Factor
Empty - 52.755
1% Ethanol 116.73 ± 0.3 49.651 ± 0.421
2% Ethanol 116.65 ± 0.2 49.489 ± 0.254
3% Ethanol 116.64 ± 0.2 49.346 ± 0.213
4% Ethanol 116.56 ± 0.3 49.151 ± 0.416
5% Ethanol 116.52 ± 0.2 49.083 ± 0.189
6% Ethanol 116.39 ± 0.1 48.862 ± 0.233
7% Ethanol 116.19 ± 0.1 48.665 ± 0.205
8% Ethanol 116.07 ± 0.2 48.577 ± 0.241
9% Ethanol 115.91 ± 0.2 48.512 ± 0.322