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 Reprinted 7
7(6) L1 None Cited Dissolution See Assay
11(1) L1 MicroBondapak C18 Dissolution 8-mm x 10-cm Z module
11(1) L7 Alltech 600 RP8 Dissolution { Alternative reagent
10(2) L1 MicroBondapak C18 Dissolution Determination of dissolved theophylline and phenobarbital