Advances in Materials Science and Engineering / 2018 / Article / Tab 1 / Research Article
Estimation of the Critical Temperatures of Some More Deep Eutectic Solvents from Their Surface Tensions Table 1 The surface tension
at 298.15 K and its temperature coefficient
; the molar masses
and the density coefficients of
of deep eutectic solvents; and the derived critical temperatures:
according to (
3 ),
according to (
4 ),
from Mirza et al. [
1 ], and
from Haghbakhsh et al. [
17 ].
HBA HBD (mN·m−1 ) (mN·m−1 ·K−1 )Reference (g·mol−1 ) (g·cm−3 ) (g·cm−3 ·K−1 )Reference (K) (K) (K) (K)ChCl EG 1 : 2 48.91 –0.0932 [4 ] 263.8 1.1314 0.572 [10 ] 836 669 602,611 602 Gly 1 : 2 58.05 –0.1353 [5 ] 323.8 1.2051 0.532 [7 ] 832 605 681,681 681 Fru 2 : 1 74.0 –0.200 [6 ] 432.4 1.3081 1.179 [11 ] 869 564 757,903 Glu 2 : 1 71.71 –0.0516 [4 ] 432.4 1.267 1.000 [11 ] 1191 887,887 Mea 1 : 7 49.18 –0.0694 [13 ] 567.2 1.0843 0.73 [13 ] 1486 790 DEANCl EG 1 : 4 47.51 –0.0956 [4 ] 402.0 1.1149 0.618 [12 ] 982 651 612,667 Gly 1 : 2 54.54 –0.0888 [5 ] 337.9 1.1881 0.599 [12 ] 1158 728 641,696 704 Pr4 NBr EG 1 : 4 47.05 –0.0877 [7 ] 514.5 1.1509 0.682 [7 ] 1068 677 642 Gly 1 : 3 53.12 –0.0883 [7 ] 536.5 1.2214 0.664 [7 ] 1159 720 TEG 1 : 3 46.57 –0.0814 [7 ] 908.4 1.1681 0.700 [7 ] 1146 701 Bu4 NCl EG 1 : 3 40.49 –0.0817 [8 ] 464.1 1.0423 0.639 [8 ] 1002 650 Gly 1 : 5 47.35 –0.0700 [8 ] 738.4 1.1579 0.650 [8 ] 1312 769 TEG 3 : 1 40.22 –0.0849 [8 ] 920.0 1.0197 0.618 [8 ] 963 635 Bu4 NBr Gly 1 : 4 36.57 –0.1409 [5 ] 690.7 1.3537 0.6 [5 ] 609 558 Mea 1 : 4 35.83 –0.0392 [13 ] 566.7 1.0729 0.73 [13 ] 2072 919 Asa 1 : 9 38.5 –0.1150 [14 ] 1520.4 0.9795 0.584 [14 ] 720 563 Gla 1 : 10 37.6 –0.1375 [14 ] 1793.8 0.9791 0.601 [14 ] 633 518 Arg 1 : 6 40.4 –0.0750 [14 ] 1367.7 1.0223 0.603 [14 ] 1044 708 MePh4 PBr EG 1 : 4 51.29 –0.1056 [9 ] 605.5 1.2504 0.709 [12 ] 906 642 708,989 Gly 1 : 3 58.94 –0.1259 [9 ] 633.5 1.3132 0.651 [12 ] 914 631 832,996 802 Mea 1 : 8 50.27 –0.0828 [13 ] 845.9 1.1209 0.81 [13 ] 1289 724 BzPh3 PBr Gly 1 : 16 53.24 –0.1205 [5 ] 1857.7 1.2512 0.7 [5 ] 894 613 741 AllPh3 PBr Gly 1 : 14 41.57 –0.1409 [5 ] 1646.5 1.2805 0.7 [5 ] 671 512 739 DEG 1 : 4 49.37 –0.0996 [15 ] 707.7 1.2160 0.74 [16 ] 980 748 898a TEG 1 : 4 48.25 –0.1326 [15 ] 883.9 1.2150 0.74 [16 ] 768 581 738a