Not official USP-NF text
VERAPAMIL HYDROCHLORIDE
PF LGS# Brand Type of Test Additional Information
14(4) L1 Spherisorb ODS2 Chromatographic purity Alternative column.
32(2) L60 Discovery RP-Amide C16 Chromatographic purity 4.6 mm x 25 cm, 5 µm. Alternative column Acclaim PA (Dionex), same dimensions.
13(6) L1 MicroBondapak C18 Identification and chromatographic purity 12.5 -15 cm, 3 µm. Alternative columns: NovaPak C18 (Waters), and Nucleosil C18 (Macherey-Nagel), same dimensions.
17(3) G43 None Cited Organic volatile impurities See Method V 467