Not official USP-NF text
IMIPENEM
PF LGS# Brand Type of Test Additional Information
17(3) L1 LiChrosorb RP-18 Assay 4.6 mm x 30 cm.
NULL(NULL) L1 LiChrosorb RP-18 Assay and Organic Impurities 4.6 mm x 10 cm, 5 µm. Alternative column for Assay.
17(3) G16 Carbowax 20M Residual solvents 10%; 3-mm x 1.8-m.
17(3) S5 Chromosorb T Residual solvents NULL