| Not official USP-NF text | ||
| GC PHASE | 25% Phenyl- 75% methylpolysiloxane | |
| G28 | BRAND NAME | MANUFACTURER |
| DC-550 | Alltech Associates, Inc. Supelco, Inc. | |
| DC-704 | J & W Scientific | |
| OV-11 | Restek, Corp., Supelco, Inc. | |
| OV-7 | Restek Corp., Supelco, Inc. | |
| SPB-35 | Supelco, Inc. | |