. 2020 Oct 21;5(43):28285–28295. doi: 10.1021/acsomega.0c04243

Table 4. Comparison between Density of Liquid Sulfolane from This Work ρ_thiswork (kg·m^–3) with the Density of Sulfolane from Experiments ρ_exp (kg·m^–3) in the Temperature Range T = (303–398) K and at Pressure p = 1 bar^a.

temperature/K	ρ_Thiswork^b^,^c	ρ_exp	Δρ (%)
303	1292.28 ± 0.4	1262.9⁵²	2.33
313	1280.66 ± 0.4	1254.1⁵²	2.12
323	1268.89 ± 0.5	1245.2⁵²	1.90
348	1239.15 ± 0.7	1222.9⁵⁴	1.33
373	1208.09 ± 0.4	1200.9⁵⁴	0.60
398	1177.21 ± 0.4	1178.9⁵⁴	–0.14

Δρ is calculated with respect to the corresponding experimental value.

The expanded uncertainty (U) is reported at 95% level of confidence.

Density data follows a linear fit, y = mx + c, with m = −1.21 kg·m^–3·K^–1, and c = 1660.18 kg·m^–3.

Table 4. Comparison between Density of Liquid Sulfolane from This Work ρthiswork (kg·m–3) with the Density of Sulfolane from Experiments ρexp (kg·m–3) in the Temperature Range T = (303–398) K and at Pressure p = 1 bara.