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Resonant frequencies and sensitivities of the proposed Helmholtz resonator (HR) after miniaturization (analytical results).
| Amount of Test Sample | 25 mL | 1 mL | 0.1 mL |
| Resonant Frequency | 5597 Hz | 41.65 kHz | 134.8 kHz |
| Sensitivity | 11.99 Hz/(kg/m3) | 92.67 Hz/(kg/m3) | 299.2 Hz/(kg/m3) |
