Research Article
Volumetric Properties of Aqueous Solutions of Ethylene Glycols in the Temperature Range of 293.15–318.15 K
Table 8
Values of the thermal expansion coefficients
× 10
4 (K
−1) and the volume fraction (
) of the investigated solutions.
| × 104 (K−1) | /(molkg−1) | | 293.15 K | 298.15 K | 303.15 K | 308.15 K | 313.15 K | 318.15 K |
| EG | 0.0000 | 0.0000 | 2.0666 | 2.5690 | 3.0263 | 3.4464 | 3.8352 | 4.1974 | 0.0488 | 0.0027 | 2.0709 | 2.5716 | 3.0278 | 3.4468 | 3.8345 | 4.1953 | 0.0982 | 0.0054 | 2.0759 | 2.5752 | 3.0296 | 3.4477 | 3.8345 | 4.1951 | 0.1561 | 0.0085 | 2.0813 | 2.5786 | 3.0320 | 3.4490 | 3.8341 | 4.1931 | 0.2365 | 0.0129 | 2.0885 | 2.5840 | 3.0354 | 3.4501 | 3.8336 | 4.1901 | 0.2726 | 0.0148 | 2.0919 | 2.5867 | 3.0371 | 3.4511 | 3.8341 | 4.1902 | 0.3143 | 0.0171 | 2.0960 | 2.5895 | 3.0387 | 3.4518 | 3.8339 | 4.1899 | 0.3796 | 0.0205 | 2.1021 | 2.5937 | 3.0414 | 3.4528 | 3.8338 | 4.1879 | 0.4268 | 0.0230 | 2.1063 | 2.5967 | 3.0433 | 3.4538 | 3.8334 | 4.1873 | 0.5201 | 0.0279 | 2.1148 | 2.6028 | 3.0472 | 3.4556 | 3.8330 | 4.1847 |
| DEG | 0.0000 | 0.0000 | 2.0666 | 2.5690 | 3.0263 | 3.4464 | 3.8352 | 4.1974 | 0.0517 | 0.0047 | 2.0783 | 2.5780 | 3.0326 | 3.4519 | 3.8385 | 4.1981 | 0.1112 | 0.0101 | 2.0922 | 2.5896 | 3.0423 | 3.4576 | 3.8418 | 4.2000 | 0.1505 | 0.0136 | 2.1010 | 2.5967 | 3.0481 | 3.4623 | 3.8449 | 4.2045 | 0.1965 | 0.0176 | 2.1111 | 2.6042 | 3.0536 | 3.4654 | 3.8486 | 4.2052 | 0.2618 | 0.0234 | 2.1255 | 2.6160 | 3.0623 | 3.4710 | 3.8514 | 4.2058 | 0.3103 | 0.0276 | 2.1357 | 2.6248 | 3.0683 | 3.4758 | 3.8532 | 4.2062 | 0.3472 | 0.0307 | 2.1436 | 2.6304 | 3.0726 | 3.4791 | 3.8553 | 4.2067 | 0.4235 | 0.0372 | 2.1603 | 2.6437 | 3.0831 | 3.4880 | 3.8605 | 4.2090 | 0.4602 | 0.0403 | 2.1686 | 2.6502 | 3.0892 | 3.4921 | 3.8654 | 4.2117 | 0.5017 | 0.0438 | 2.1776 | 2.6578 | 3.0948 | 3.4965 | 3.8677 | 4.2133 |
| TEG | 0.0000 | 0.0000 | 2.0666 | 2.5690 | 3.0263 | 3.4464 | 3.8352 | 4.1974 | 0.0538 | 0.0068 | 2.0829 | 2.5818 | 3.0365 | 3.4522 | 3.8365 | 4.1975 | 0.0994 | 0.0126 | 2.0971 | 2.5937 | 3.0454 | 3.4597 | 3.8431 | 4.2015 | 0.1543 | 0.0194 | 2.1127 | 2.6061 | 3.0548 | 3.4657 | 3.8463 | 4.2033 | 0.2001 | 0.0250 | 2.1264 | 2.6157 | 3.0618 | 3.4710 | 3.8498 | 4.2012 | 0.2552 | 0.0316 | 2.1425 | 2.6289 | 3.0715 | 3.4774 | 3.8536 | 4.2049 | 0.3192 | 0.0393 | 2.1598 | 2.6425 | 3.0830 | 3.4854 | 3.8587 | 4.2081 | 0.3686 | 0.0451 | 2.1729 | 2.6540 | 3.0898 | 3.4906 | 3.8607 | 4.2079 | 0.4366 | 0.0529 | 2.1926 | 2.6682 | 3.1015 | 3.4985 | 3.8659 | 4.2080 | 0.4804 | 0.0579 | 2.2055 | 2.6783 | 3.1086 | 3.5033 | 3.8680 | 4.2087 | 0.5288 | 0.0634 | 2.2179 | 2.6876 | 3.1159 | 3.5082 | 3.8715 | 4.2101 |
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