Table 1.

Geometrical and physico-chemical characteristics of Teicoplanin-based chiral particles and columns

Brand	$d_p$	As	Pore size	Bonding density		${ϵ}_t$	${ϵ}_e$	${ϵ}_p$
/Particle type	$\mu$m	m2/g	Å	$\mu$mol/g	$\mu$mol/m2
Titan	1.9	282	120	76	0.3	0.66	0.42	0.41
/FPP
Halo	2.0	125	90	56	0.5	0.54	0.41	0.27
/SPP

Brand: commercial silica name; particle type: FPP = fully porous, SPP = superficially porous; d_p: particle diameter; A_s: specific surface area; ${ϵ}_t$: total porosity; ${ϵ}_e$: external porosity; ${ϵ}_p$: particle porous zone porosity