Not official USP-NF text
BUTALBITAL AND ASPIRIN TABLETS
PF LGS# Brand Type of Test Additional Information
10(2) L1 MicroBondapak C18 Assay and Limit of . . . . free salicylic acid; reprinted with title change 10(3)
10(2) L1 MicroBondapak C18 Dissolution Determination of dissolved butalbital
10(2) L1 MicroBondapak C18 Identity See Assay
10(2) L1 MicroBondapak C18 Uniformity of dosage units Meet req.