Table 2 AAD% of pressure predictions by PR-EOS¹ and Abudour et al. VTPR-EOS¹⁷.

Substance	T, K	Range of ρ, mol/L	%ADD by PR-EOS¹	%ADD By VTPR-EOS¹⁷	NDP
Carbon dioxide	250	23.0–30.0	96.79	9.57	80
	280	20.0–30.0
	310	18.0-28.5
	340	15.0–28.0
Nitrogen	80	26.0–31.0	134.30	13.19	80
	90	25.0–31.0
	100	24.0-30.5
	120	18.5–30.0
Methane	120	25.5–27.5	104.56	11.41	80
	140	23.5–27.5
	160	21.0–27.0
	180	17.5–26.5
Ethane	180	18.0–19.0	160.35	18.03	100
	200	17.5–19.0
	250	15.0–19.0
	300	12.0–19.0
Propane	220	13.5–14.5	122.69	15.13	100
	240	13.0-14.5
	300	11.0-14.3
	360	9.0 -14.3
n-Butane	260	10.6–11.4	90.33	17.14	100
	300	9.9–11.3
	360	8.5–11.3
	420	7.5–11.2
n-Pentane	300	8.6–9.5	56.53	14.63	80
	350	7.9–9.3
	400	7.0-9.1
	450	6.1-9.0
n-Hexane	350	7.0–8.0	40.21	15.86	80
	400	6.5–7.8
	450	5.8–7.6
	500	4.8–7.4
n-Nonane	430	4.7–5.6	42.14	20.12	100
	480	4.5–5.6
	530	4.0-5.6
	580	3.6–5.6
n-Decane	440	4.3-5.0	71.57	18.16	80
	500	3.9-5.0
	560	3.6-5.0
	610	3.4-5.0
n-Dodecane	460	3.6–4.1	145.19	15.77	80
	520	3.3–4.1
	580	3.1–4.1
	650	2.8–4.1
Ethylene	160	20.6–21.5	135.39	28.17	100
	200	18.6–20.5
	240	15.6–19.2
	280	12.0-17.8
Cyclohexane	350	8.5–9.3	87.14	19.99	80
	400	8.0–9.0
	500	6.2–8.5
	550	4.5–8.3
Benzene	400	9.7–11.2	66.32	23.93	100
	450	8.9–11.2
	500	8.4–11.2
	550	7.1–11.2
Toluene	380	8.5–9.1	36.02	14.09	80
	450	7.7–9.1
	520	7.0-9.1
	580	6.0-9.1
Tetrafluoromethane	160	17.4–19.2	84.98	14.59	80
	180	16.0-18.5
	200	13.9–17.8
	220	12.6–17.0
Acetone	350	12.5–13.9	230.44	19.98	100
	400	11.5–13.5
	450	10.0–13.0
	500	9.0-12.6
Ethanol	380	15.3–16.2	270.69	42.659	80
	420	14.1–15.5
	460	12.4–14.6
	500	10.2–14.6
Overall			109.75	18.47	1580

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