Extension of LIR Equation of State to Alkylamines Using Group Contribution Method

Table 4

AAD and 𝐷_max of the calculated density for binary mixture of different 1-alkanols (1) + 1-butylamine (2), in a pressure range from 0.1 to 33.9 MPa and different mole fractions using the calculated values of 𝐴_𝑚 and 𝐵_𝑚 parameters along with (3) at 298.15 K.

Binary mixture	𝑥1	ADD	𝐷 max
(a) Ethanol (1) + 1-butylamine (2)	0.1973	1.81	3.06
	0.4013	1.97	3.19
	0.6102	2.09	3.32
	0.7996	2.27	3.45
(b) 1-Propanol (1) + 1-butylamine (2)	0.2096	1.51	2.09
	0.4001	1.79	2.26
	0.5980	1.87	2.55
	0.7977	1.93	2.71
	0.2011	1.45	1.79
(c) 1-Butanol (1) + 1-butylamine (2)	0.3957	1.61	1.91
	0.5986	1.79	2.13
	0.7975	1.85	2.27