Table 2.

binding constant, K, the number of binding sites, n, and the thermodynamic parameters for the association of Erlotinib hydrochloride with BSA.

pH	T(K)	Ka(1mol−1)×10−4	n	△H (kJ mol−1)	△G (kJ mol−1)	△S (J mol−1)
7.4	298	2.9882	1.1165	38.910	−25.838	217.278
	303	5.4250	1.2357		−26.924
	308	5.6809	1.0457		−28.011
	313	6.9838	0.9692		−29.097