Not official USP-NF text
THEOPHYLLINE, EPHEDRINE HYDROCHLORIDE, AND PHENOBARBITAL TABLETS
PF LGS# Brand Type of Test Additional Information
7(2) L1 None Cited Assay NULL
11(1) L7 Alltech 600 RP8 Dissolution Alternative column.
7(6) L1 None Cited Dissolution NULL
11(1) L1 MicroBondapak C18 Dissolution 8-mm x 10-cm Z module
10(2) L1 MicroBondapak C18 Dissolution Determination of dissolved theophylline and phenobarbital