| Not official USP-NF text | ||||
| QUINIDINE SULFATE | ||||
| PF | LGS# | Brand | Type of Test | Additional Information |
| 9(5) | L1 | MicroBondapak C18 | Identity | See Sum of and Limit of . . .; deleted 14(1) |
| 14(1) | L1 | MicroBondapak C18 | Limit of . . . . . . . . . | dihydroxyquinidine sulfate |
| 16(3) | G27 | None Cited | Organic volat. impurities | See Method I  467 |
| 9(5) | L1 | MicroBondapak C18 | Sum of & Limit of . . . . | dihydroquinidine, quinine, and dihydroquinine; sum of quinidine and dihydroquinidine sulfates |