Table 8.

The correlation results of the KTZ– Menthol-CO₂ system provided by the semi empirical models (AARD, Radj and a₀-a₆ are average absolute relative deviation, adjusted correlation coefficient and adjustable parameters, respectively).

Model	${\mathit{a}}_0$	${\mathit{a}}_1$	${\mathit{a}}_2$	${\mathit{a}}_3$	${\mathit{a}}_4$	AARD%	Radj
MST	− 10,884.4360	3.1002	21.7610	28.803	–	8.97	0.986
González et al.,	2.902	0.657	− 4544.27	− 12.26	–	7.51	0.991
Sodeifian—Sajadian	− 2.852	− 1.0502	0.0339	0.153	–	6.45	0.995
Soltani-Mazloumi	10.489	− 8213.5	2.155	0.4203	0.2776	7.09	0.992