Table 2.

Comparison between reference viscosities ${\eta }_{\mathrm{ref}}$ and those extracted from the fits of the PSDs of the measured thermal noise ${\eta }_{\exp }$, for mixtures of water and glycerol in the range of zero to 10%.

${\left[G\right]}_v (\%v/v)$	${\eta }_{\mathrm{ref}}$ (mPa·s)	${\eta }_{\exp }$ (mPa·s)	error (%)
0	0.913	0.912	−0.07
1	0.938	0.940	0.16
2	0.967	0.957	−1.11
3	0.995	0.993	−0.23
4	1.026	1.029	0.30
5	1.058	1.062	0.38
6	1.092	1.096	0.35
7	1.125	1.125	0.04
8	1.162	1.177	1.34
9	1.200	1.212	0.98