| Not official USP-NF text | ||||
| DEXAMETHASONE SODIUM PHOSPHATE | ||||
| PF | LGS# | Brand | Type of Test | Additional Information |
| 11(6) | L11 | IBM Phenyl | Assay | 5-µm. |
| 24(2) | L7 | ZORBAX RX-C8 | Chromatographic purity | 4.6 mm x 25 cm, manufacturer Agilent. |
| 8(3) | S8 | Porapak S | Limit of . . . . . . . . . | alcohol |
| 11(6) | L11 | IBM Phenyl | Limit of . . . . . . . . . | Limit of free dexamethasone. Alternative columns in the dimensions of 4.6 mm x 25 cm: Apex Phenyl RP, manufacturer Jones Chromatography, Inc.; Spherisorb Phenyl RP, manufacturer Waters. |
| 17(3) | G43 | None Cited | Organic volat. impurities | See Method V  467 |