Mixture of Lactic acid + 1-Heptanol + Water

Datasets

1. Mass fraction (2)
2. n₀ - Refractive index (Na D-line) (2)
3. ρ_l - Mass density, kg/m3 (2)

Mass fraction of Water (3) [ref]

Operational conditions:

• Temperature, K = 298.2 (Liquid mixture 1)
• Pressure, kPa = 95 (Liquid mixture 1)

Mass fraction of Lactic acid (1) - Liquid mixture 1	Mass fraction of Water (3) - Liquid mixture 1
0.0000	0.9984
0.0967	0.9009
0.1781	0.8159
0.2715	0.7231
0.3565	0.6345
0.4496	0.5370
0.4660	0.5166
0.4990	0.4715
0.5078	0.4042
0.4883	0.3430
0.4585	0.2938
0.4199	0.2405
0.3563	0.1853
0.3039	0.1518
0.2511	0.1286
0.1563	0.0949
0.1248	0.0872
0.0882	0.0793
0.0488	0.0690
0.0000	0.0511

Mole fraction [ref]

Operational conditions:

• Temperature, K = 298.2 (Liquid mixture 2)
• Pressure, kPa = 95 (Liquid mixture 2)

Fixed	Measured
Mole fraction of Water (3) - Liquid mixture 1	Mole fraction of Lactic acid (1) - Liquid mixture 1	Mole fraction of Lactic acid (1) - Liquid mixture 2	Mole fraction of Water (3) - Liquid mixture 2
0.2978	0.0281	0.0135	0.9860
0.3070	0.0384	0.0186	0.9809
0.3180	0.0621	0.0308	0.9684
0.3405	0.0842	0.0452	0.9535
0.3682	0.1092	0.0602	0.9389
0.3919	0.1344	0.0790	0.9199
0.4189	0.1598	0.1002	0.8983
0.4537	0.1833	0.1237	0.8741
0.5103	0.2067	0.1517	0.8442

Refractive index (Na D-line) [ref]

Operational conditions:

• Pressure, kPa = 95 (Liquid)
• Temperature, K = 298.2 (Liquid)

Fixed		Measured
Mass fraction of Water (3) - Liquid	Mass fraction of Lactic acid (1) - Liquid	Refractive index (Na D-line) - Liquid
0.9984	0.0000	1.3326
0.9009	0.0967	1.3426
0.8159	0.1781	1.3512
0.7231	0.2715	1.3606
0.6345	0.3565	1.3707
0.5370	0.4496	1.3815
0.5166	0.4660	1.3836
0.4715	0.4990	1.3882
0.4042	0.5078	1.3949
0.3430	0.4883	1.4003
0.2938	0.4585	1.4042
0.2405	0.4199	1.4084
0.1853	0.3563	1.4121
0.1518	0.3039	1.4141
0.1286	0.2511	1.4154
0.0949	0.1563	1.417
0.0872	0.1248	1.4173
0.0793	0.0882	1.4177
0.0690	0.0488	1.4181
0.0511	0.0000	1.4183

Refractive index (Na D-line) [ref]

Operational conditions:

• Pressure, kPa = 95 (Liquid)
• Temperature, K = 298.2 (Liquid)

Fixed		Measured
Mole fraction of Water (3) - Liquid	Mole fraction of Lactic acid (1) - Liquid	Refractive index (Na D-line) - Liquid
0.2978	0.0281	1.4182
0.9860	0.0135	1.3392
0.3070	0.0384	1.4181
0.3180	0.0621	1.4181
0.3405	0.0842	1.4178
0.3682	0.1092	1.4174
0.3919	0.1344	1.4171
0.4189	0.1598	1.4167
0.4537	0.1833	1.416
0.5103	0.2067	1.4144
0.9809	0.0186	1.3415
0.9684	0.0308	1.3468
0.9535	0.0452	1.3526
0.9389	0.0602	1.3578
0.9199	0.0790	1.364
0.8983	0.1002	1.3703
0.8741	0.1237	1.3766
0.8442	0.1517	1.3834

Mass density, kg/m3 [ref]

Operational conditions:

• Pressure, kPa = 95 (Liquid)
• Temperature, K = 298.2 (Liquid)

Fixed		Measured
Mass fraction of Water (3) - Liquid	Mass fraction of Lactic acid (1) - Liquid	Mass density, kg/m3 - Liquid
0.9984	0.0000	996.839
0.9009	0.0967	1019.216
0.8159	0.1781	1038.619
0.7231	0.2715	1059.401
0.6345	0.3565	1080.721
0.5370	0.4496	1101.466
0.5166	0.4660	1104.049
0.4715	0.4990	1108.787
0.4042	0.5078	1092.872
0.3430	0.4883	1065.245
0.2938	0.4585	1039.162
0.2405	0.4199	1007.309
0.1853	0.3563	968.355
0.1518	0.3039	941.261
0.1286	0.2511	917.585
0.0949	0.1563	879.261
0.0872	0.1248	868.256
0.0793	0.0882	855.666
0.0690	0.0488	842.791
0.0511	0.0000	827.25

Mass density, kg/m3 [ref]

Operational conditions:

• Pressure, kPa = 95 (Liquid)
• Temperature, K = 298.2 (Liquid)

Fixed		Measured
Mole fraction of Water (3) - Liquid	Mole fraction of Lactic acid (1) - Liquid	Mass density, kg/m3 - Liquid
0.2978	0.0281	836.507
0.9860	0.0135	1011.398
0.3070	0.0384	840.009
0.3180	0.0621	848.282
0.3405	0.0842	857.253
0.3682	0.1092	868.827
0.3919	0.1344	881.73
0.4189	0.1598	896.947
0.4537	0.1833	915.03
0.5103	0.2067	942.409
0.9809	0.0186	1016.758
0.9684	0.0308	1028.453
0.9535	0.0452	1040.43
0.9389	0.0602	1053.762
0.9199	0.0790	1067.242
0.8983	0.1002	1080.497
0.8741	0.1237	1092.975
0.8442	0.1517	1104.405

Sources

• Liquid-liquid equilibrium data for ternary systems of water + lactic acid + C4-C7 alcohols at 298.2 K and atmospheric pressure

Note: These property values are available through the Cheméo API. A free account gives you an access key.