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. 2021 Aug 20;14(16):4707. doi: 10.3390/ma14164707

Table 7.

Specific heat of the solid phase—Estimated values of the coefficients a, b, and c in the equation CP,ST=aT3+bT2+cT+d (r2 = coefficient of determination; σe = standard deviation of the error) at pressure p = 0.1 MPa *.

Materials a × 105
(J·g−1·K−4)
b (J·g−1·K−3) c (J·g−1·K−2) d (J·g−1·K−1) r2 σe
(J·g−1·K−1)
Temperature Range (K)
CA 3.6535 ± 6.9456 −0.0310 ± 0.0597 8.7941 ± 17.1184 −830.51 ± 1635.1 0.9871 0.0140 [278; 296]
MA 0.7738 ± 0.1805 −0.0066 ± 0.0016 1.8873 ± 0.4805 −179.18 ± 47.657 0.9991 0.0068 [278; 318]
PA 0.8506 ± 0.1354 −0.0074 ± 0.0012 2.1770 ± 0.3727 −211.51 ± 37.566 0.9981 0.0112 [278; 328]
CA/MA 22.996 ± 8.9840 −0.1940 ± 0.0761 54.563 ± 21.509 −5114.5 ± 2025.0 0.9915 0.0110 [278; 291]
CA/PA 22.856 ± 4.8510 −0.1932 ± 0.0412 54.445 ± 11.661 −5113.0 ± 1100.0 0.9949 0.0077 [278; 290]

* Standard uncertainty given for a 95% confidence interval for our measurements is u(p) = 10 kPa. The uncertainty given for the fitting parameter is given for a 95% confidence interval.