Table 5. Adsorption Kinetics Equations and Parameters of Aucubin on EXA-45, LS-305, and HPD950 Resin.

	EXA-45
kinetics models	equations	parameters
pseudo-first-order		k1 = 0.0151 min–1
		qe = 55.5 mg/g
		R2 = 0.984
pseudo-second-order		k2 = 3.231 × 10–4 g·mg–1·min–1
		qe = 66.6 mg/g
		R2 = 0.9974
intraparticle diffusion		ki,1 = 3.8588 mg·g–1·min–0.5
		Ci,1 = 5.7 mg/g
		R2 = 0.9946
		ki,1 = 1.5409 mg·g–1·min–0.5
		Ci,1 = 32.8 mg/g
		R2 = 0.9848
		ki,1 = 0.5091 mg·g–1·min–0.5
		Ci,1 = 49.0 mg/g
		R2 = 0.9728

	LS-305
pseudo-first-order		k1 = 0.0188 min–1
		qe = 72.4 mg/g
		R2 = 0.9913
Pseudo-second-order		k2 = 3.1904 × 10–4 g·mg–1·min–1
		qe = 82.6 mg/g
		R2 = 0.9961
Intraparticle diffusion		ki,1 = 6.0503 mg·g–1·min–0.5
		Ci,1 = 0.37 mg/g
		R2 = 0.9957
		ki,1 = 0.7991 mg·g–1·min–0.5
		Ci,1 = 59.6 mg/g
		R2 = 0.9779
		ki,1 = 0.2720 mg·g–1·min–0.5
		Ci,1 = 67.9 mg/g
		R2 = 0.9888

	HPD950
pseudo-first-order		k1 = 0.0164 min–1
		qe = 106.9 mg/g
		R2 = 0.9212
pseudo-second-order		k2 = 1.875 × 10–4 g·mg–1·min–1
		qe = 111.1 mg/g
		R2 = 0.9979
intraparticle diffusion		ki,1 = 6.6273 mg·g–1·min–0.5
		Ci,1 = 7.0 mg/g
		R2 = 0.9975
		ki,1 = 4.4683 mg·g–1·min–0.5
		Ci,1 = 29.1 mg/g
		R2 = 0.9999
		ki,1 = 1.2758 mg·g–1·min–0.5
		Ci,1 = 72.8 mg/g
		R2 = 0.8926