Not official USP-NF text
AMPICILLIN FOR INJECTION
PF LGS# Brand Type of Test Additional Information
12(2) L1 MicroBondapak C18 Assay also a 5-cm, 40--60-µm guard column. Possible alternatives: Spherisorb ODS (Waters), Partisil ODS (Whatman), Chromegabond C18 (ES Industries), LiChrosorb RP-18 (Merck KGaA).
13(1) G3 OV-17 Limit of . . . . . . . . . dimethylaniline; see Ampicillin
13(1) S1A None Cited Limit of . . . . . . . . . dimethylaniline; see Ampicillin