Not official USP-NF text
TIMOLOL MALEATE OPHTHALMIC SOLUTION
PF LGS# Brand Type of Test Additional Information
22(1) L1 Alltima C18 Assay Alternative column; 4.6-mm x 15-cm, 5 µm.
22(1) L1 Inertsil ODS-2 Assay 4.6-mm x 15-cm, 5 µm
24(1) L1 MicroBondapak C18 Assay and Identification Method 2.
24(1) L1 Ultrasphere ODS Chromatographic purity NULL