Not official USP-NF text
PF LGS# Brand Type of Test Additional Information
37(4) L1 SymmetryShield RP18 Assay and Organic Impurities Organic Impurities Procedure 1 and Procedure 2. 4.6 mm x 25 cm, 5 µm. Possible alternative YMC ODS-AQ (YMC).
14(4) L1 Nucleosil C18 Chromatographic purity Problems meeting system suitability requirements were reported when using this column. Possible alternatives are YMC ODS-AQ and Symmetry Shield RP18, both available from Waters.
16(3) G27 None Cited Organic volatile impurities See Method I 467