Macroporous resins are highly crosslinked (e.g., ≥50%)
and consist of a network of micropheric gel beads joined
together to form a larger beads.
• Rigid microparticulate poly(styrene-divinylbenzene)
packing materials of the macroporous type are popular for
HPLC use. They are stable from pH 1 to 4 and are
available in a variety of particle and pore sizes. These
resins can be used in unmodified form for reversed-phase
chromatography.