Not official USP-NF text
THEOPHYLLINE EXTENDED-RELEASE CAPSULES
PF LGS# Brand Type of Test Additional Information
15(1) L1 Chromegabond C18 Assay NULL
15(1) L1 MicroBondapak C18 Assay Alternative column.
15(1) L1 Partisil ODS Assay Alternative column.
14(3) L1 MicroBondapak C18 Assay, Identification, and Uniformity of Dosage Units