| Not official USP-NF text | ||||
| FUMARIC ACID | ||||
| PF | LGS# | Brand | Type of Test | Additional Information |
| 13(1) | L17 | Polypore H | Limit of . . . . . . . . . | Limit of maleic acid. |
| 34(3) | L17 | Aminex HPX-87H | Limit of . . . . . . . . . | Limit of maleic acid. 7.8 mm x 30 cm, 9µm. |
| 17(2) | G43 | None Cited | Organic volat. impurities | See Method V  467 |