| Not official USP-NF text | Column Equivalency Information | |
| PACKING | Irregular or spherical, totally porous silica gel having a chemically bonded, strongly acidic cation-exchange coating, 3 to 10 µm in diameter. | |
| L9 | BRAND NAME | MANUFACTURER |
| Partisil 10 SCX | Whatman Inc. | |
| Partisil SCX | Whatman Inc. | |
| Supelcosil SCX | Supelco, Inc. | |
| ZORBAX 300 SCX | Agilent Technologies | |