Separation of Berberine Hydrochloride and Tetrahydropalmatine and Their Quantitative Analysis with Thin Layer Chromatography Involved with Ionic Liquids

Table 1

Main related parameters of SiO₂·Im⁺·OH⁻.

C (%)	H (%)	N (%)	Immobilized IL amount (mmol/g)	Specific surface area (m^2/g)	Average pore size (nm)	Pore size (cm^3/g)	Ash content (%, 800°C)
10.334	2.827	3.168	1.072	198	5.342	0.618	82.5