Not official USP-NF text Column Equivalency Information
PACKING Packing having the capacity to separate compounds with a molecular weight range from 100 - 5000 (as determined by polyethylene oxide), applied to neutral, anionic, and cationic water-soluble polymers. A polymethacrylate resin base, cross-linked with polyhydroxylated ether (surface contained some residual carboxyl functional groups) was found suitable.
L25 BRAND NAME MANUFACTURER
Ultrahydrogel 250 Waters
Ultrahydrogel DP, + 120 Waters Corp