Not official USP-NF text
PF LGS# Brand Type of Test Additional Information
25(4) L1 YMC-AQ C18 Assay and Chromatographic purity 4.6-mm x 25-cm, 5-µm.
28(4) L1 LiChrosorb RP-Select B Assay and Related Compounds 4.0 mm x 12.5 cm, 5.0 µm.
28(5) L1 Purospher RP-18 Chromatographic purity Guard-column 4.0 mm x 4.0 mm. Analytical column 4.0 mm x 12.5 cm.