Etching device | VB | VT | V | θC | η |
Water bath | 1.15 | 2.62 | 2.278 | 26.03 | 0.561 |
Microwave | 4.00 | 9.5 | 2.375 | 24.9 | 0.58 |
Ultrasound | 1.22 | 2.87 | 2.352 | 25.15 | 0.575 |