Separation and Purification of Two Flavone Glucuronides from Erigeron multiradiatus (Lindl.) Benth with Macroporous Resins

Table 3

Langmuir and Freundlich parameters of SG and AG on D141 resin at the temperature of 25^∘𝐶, 30^∘𝐶, and 35^∘𝐶.

Temperature (^∘C)		Langmuir equation	𝑅^2	Freundlich equation	𝑅^2
SG	25	𝐶𝑒/𝑞𝑒=0.4201𝐶𝑒+0.0024	0.9991	𝑞𝑒=0.7252𝐶𝑒^0.2438	0.9721
	30	𝐶𝑒/𝑞𝑒=0.2883𝐶𝑒+0.0033	0.9956	𝑞𝑒=0.7742𝐶𝑒^0.2693	0.9683
	35	𝐶𝑒/𝑞𝑒=0.2498𝐶𝑒+0.0031	0.9920	𝑞𝑒=0.7923𝐶𝑒^0.2706	0.9637
AG	25	𝐶𝑒/𝑞𝑒=0.6085𝐶𝑒+0.0019	0.9993	𝑞𝑒=0.3161𝐶𝑒^0.1170	0.9716
	30	𝐶𝑒/𝑞𝑒=0.4193𝐶𝑒+0.0025	0.9962	𝑞𝑒=0.5609𝐶𝑒^0.2100	0.9668
	35	𝐶𝑒/𝑞𝑒=0.3622𝐶𝑒+0.0027	0.9914	𝑞𝑒=0.6858𝐶𝑒^0.2667	0.9650