where is the resonant frequency, is the density of the fluid, is the shear modulus of the quartz, and is the density of the quartz. An extension of this technique corrects the shift in the resonant frequency by the size of the drop deposited on the quartz crystal.
where is the resonant frequency, is the density of the fluid is the shear modulus of the quartz, and is the density of the quartz. An extension of this technique corrects the shift in the resonant frequency by the size of the drop deposited on the quartz crystal.