Simultaneous measurement of mass and viscosity using piezoelectric quartz crystals in liquid media
作者： G.L. Hayward , G.Z. Chu
DOI: 10.1016/0003-2670(94)80131-2
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摘要: Abstract An inexpensive mass and viscosity sensor can be constructed from a quartz crystal microbalance using an automatic gain control oscillator. The voltage, which maintains constant oscillation amplitude, is shown to affected only by the energy loss liquid medium mounting. frequency shift between loaded unloaded operating in same closely follow Sauerbrey equation. A or density correction based on voltage applied measured obtain loading. Errors due oscillator phase mounting losses removed calibration.
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