| Not official USP-NF text | ||||
| ETIDRONATE DISODIUM | ||||
| PF | LGS# | Brand | Type of Test | Additional Information |
| 30(5) | L23 | IC-Pak Anion | Assay | 15 cm x 4.6 mm, manufacturer Waters Corp. |
| 30(5) | L61 | Ion Pac AS-11 | Limit of . . . . . . . . . | Limit of phosphite. 25 cm x 4.6 mm, manufacturer Dionex. |
| 16(6) | G27 | None Cited | Organic volat. impurities | See Method I  467 |