Not official USP-NF text
DYPHYLLINE AND GUAIFENESIN TABLETS
PF LGS# Brand Type of Test Additional Information
14(5) L1 Hypersil-ODS Assay 15-cm; see Elixir, minus guard column, Manuf. Thermo Hypersil-Keystone.
15(5) L1 None Cited Dissolution See Assay
14(5) L1 Hypersil-ODS Identity Manuf. Thermo Hypersil-Keystone.
14(5) L1 Hypersil-ODS Uniformity of dosage units Manuf. Thermo Hypersil-Keystone.