| Not official USP-NF text | ||
| SUPPORT | Copolymer of ethylvinylbenzene and divinylbenzene having a nominal surface area of 500 to 600 m? per g and an average pore diameter0.0075 µm. | |
| S3 | BRAND NAME | MANUFACTURER |
| GDX-101 | Tianjing Chemical Reagent Factory | |
| HayeSep Q | Restek Corp, Varian-Chrompack, Supelco | |
| Porapak Q | Varian-Chrompack, Supelco | |
| Porapak QS | Waters Associates | |
| Sunpak-A | Shinwa | |