| Not official USP-NF text | ||||
| FOLIC ACID | ||||
| PF | LGS# | Brand | Type of Test | Additional Information |
| 6(2) | L1 | None Cited | Assay | NULL |
| 22(6) | L1 | LiChrosorb RP-18 | Assay | |
| 22(6) | L1 | LiChrosorb RP-18 | Chromatographic purity | See Assay |
| 18(3) | G43 | None Cited | Organic volat. impurities | See Method IV  467 |