Kinematic Viscosity of Aqueous Solutions of Ethanol and Glucose in the Range of Temperatures from 20 to 45°C

Figures & data

Figure 1 Solubility of glucose in ethanol/water solutions vs. molar fraction of ethanol at 25ºC. Line corresponds to Eq. (4).

Table 1 Experimental data of kinematic viscosity of ternary ethanol/water/glucose solutions

x (−)	xG (−)	T (ºC)
		20.0	25.0	30.0	35.0	40.0	45.0
0.883	0.00095		1.657	1.493	1.360	1.241	1.129
0.556	0.0056		2.246	1.989	1.762	1.575	1.409
0.4018	0.0114		2.859	2.477	2.158	1.894	1.675
0.2938	0.0216		3.563	3.026	2.638	2.319	1.975
0.2412	0.0055	3.341	2.794	2.372	2.039	1.770	1.542
0.2397	0.0109	3.526	2.973	2.516	2.168	1.877	1.639
0.2385	0.0163	3.946	3.321	2.818	2.397	2.073	1.798
0.2372	0.0216	4.227	3.529	2.982	2.537	2.188	1.912
0.2360	0.0268	4.681	3.851	3.240	2.754	2.362	2.040
0.1718	0.0125	3.603	2.982	2.502	2.132	1.842	1.598
0.1698	0.0248	4.399	3.663	3.059	2.592	2.215	1.914
0.1676	0.0367	5.406	4.436	3.679	3.106	2.633	2.269
0.1140	0.0117	3.054	2.527	2.141	1.833	1.596	1.397
0.1127	0.0230	3.669	3.023	2.539	2.168	1.871	1.623
0.1114	0.0342	4.609	3.814	3.203	2.718	2.322	2.019
0.1102	0.0451	5.705	4.629	3.848	3.242	2.754	2.376
0.0639	0.0109	2.305	1.948	1.676	1.457	1.279	1.136
0.0632	0.0215	2.782	2.334	2.008	1.727	1.519	1.341
0.0626	0.0320	3.540	2.947	2.500	2.156	1.871	1.641
0.0619	0.0422	4.317	3.565	3.022	2.561	2.214	1.934
0.0606	0.0619	6.732	5.476	4.552	3.850	3.252	2.793
0.0200	0.0102	1.566	1.359	1.199	1.067	0.960	0.868
0.0198	0.0202	1.956	1.681	1.477	1.303	1.160	1.043
0.0193	0.0396	3.032	2.565	2.209	1.920	1.692	1.504
0.0190	0.0583	4.743	3.960	3.357	2.886	2.507	2.190
0.0188	0.0673	5.970	4.915	4.134	3.506	3.007	2.611

Figure 2 Experimental data and calculated values of kinematic viscosity of ternary solutions at two different levels of ethanol concentration: (a) 5% and (b) 35% (w/w).

Figure 3 Experimental data and calculated values of index of refraction of ternary solutions and aqueous glucose solutions at 20ºC. Lines correspond to Eq. (8).

Table 2 Experimental data of refractive index viscosity of ternary ethanol/water/glucose solutions at 20ºC

x (−)	xG (−)	nD (−)
0.2412	0.0055	1.3632
0.2397	0.0109	1.3670
0.2385	0.0163	1.3717
0.2372	0.0216	1.3757
0.2360	0.0268	1.3793
0.1718	0.0125	1.3669
0.1698	0.0248	1.3767
0.1676	0.0367	1.3853
0.1140	0.0117	1.3627
0.1127	0.0230	1.3727
0.1114	0.0342	1.3821
0.1102	0.0451	1.3901
0.0639	0.0109	1.3561
0.0632	0.0215	1.3669
0.0626	0.0320	1.3769
0.0619	0.0422	1.3857
0.0606	0.0619	1.4008
0.0200	0.0102	1.3499
0.0198	0.0202	1.3616
0.0193	0.0396	1.3811
0.0190	0.0583	1.3970
0.0188	0.0673	1.4037
0	0	1.3330
0	0.00989	1.3465
0	0.0196	1.3580
0	0.0384	1.3785
0	0.0566	1.3941
0	0.0740	1.4071
0	0.0825	1.4121
0.0202	0	1.3356 ^a
0.0646	0	1.3414 ^a
0.1154	0	1.3469 ^a
0.1740	0	1.3519> ^a
0.2425	0	1.3557 ^a
^aValues from.[16]

Herráez , J.V. and Belda , R. 2006 . Refractive index, densities and excess molar volumes of monoalcohols + water . J. Solution Chem. , 35 : 1315 – 1328 .

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