Table 4 Density ρf,e and viscosity μf,e values estimated by the rectangular stepped piezo-cantilever resonator, where the deviations ερ and εμ denote the absolute relative errors between the experimental and reference values.

From: Piezoelectric-AlN resonators at two-dimensional flexural modes for the density and viscosity decoupled determination of liquids

Medium

Mode

ρf,e (kg m−3)

μf,e (cP)

ερ (%)

εμ (%)

N-hexane

2nd

653.78

0.3014

0.85

3.50

3rd

661.41

0.2947

0.31

5.63

N –heptane

2nd

679.13

0.3797

0.69

7.69

3rd

685.41

0.3928

0.23

4.49

Methylcyclohexane

2nd

762.58

0.6747

0.89

7.39

3rd

767.19

0.7098

0.29

2.61

Cyclohexanea,b

2nd

778.68

0.9590

0

0

3rd

778.68

0.9590

0

0

MD2M

2nd

852.03

1.3514

0.20

4.86

3rd

848.27

1.3467

0.64

5.19

D4

2nd

955.37

2.3717

0.96

7.54

3rd

950.79

2.3904

0.47

6.81

  1. a,bIndicates the referenced viscosity and density for calibration procedure, respectively.