| Not official USP-NF text | Column Equivalency Information | |
| PACKING | Octadecylsilane chemically bonded to silica gel of a controlled surface porosity that has been bonded to a solid spherical core 30 to 50 µm in diameter. | |
| L2 | BRAND NAME | MANUFACTURER |
| Bondapak C18/Corasil | Waters Associates | |
| Co:Pell ODS | Whatman Inc. | |
| MPLC RP-18 | Brownlee Labs | |
| Permaphase ETH | DuPont | |
| Permaphase ODS | DuPont | |
| Sep-Pak C18 | Waters Associates | |
| Whatman ODS Co-Pell Media | Whatman Inc. | |