High performance capillary columns for gas chromatography (GC), 25 % phenyl – 25 % cyanopropyl – 50 % methylpolysiloxane, mid-polar – polar GC phase, meets USP G19|G7. Recommended for fatty acid analyses. Similar phases: DB-225, HP-225, OV-225, Rtx‑225, CP-Sil 43, 007-225, BP225
| Method | Gas chromatography (GC) |
| Type | GC column |
| Brand | OPTIMA |
| Phase | OPTIMA 225 |
| Composition | 25 % Phenyl – 25 % Cyanopropyl – 50 % Methylpolysiloxane / 50% Cyanopropylphenyl – 50% Dimethylpolysiloxane |
| USP listing | G7, G19 |
| Polarity | Mid-polar–polar |
| Column inner diameter | 0.25 mm |
| Film thickness | 0.25 µm |
| Column length | 50 m |
| Recommended application(s) | Fatty acid analyses, Gas chromatography, GC |
| Tmax isotherm | 260 °C |
| Tmax temp. program | 280 °C |
| Housing type | Wall coated open tubular (WCOT) capillary column, internal wall of capillary is coated with a very fine film of liquid stationary phase |
| Hardware | Fused Silica coated with polyimide coiled/wound on metal cage |
| Cage size | 7" (inch) |
| Integrated precolumn | No |
| Storage temperature | 15–25 °C / 59–77 °F |
| Scope of delivery | 1x GC column coiled/wound on metal cage, user manual, certificate of analysis |
| Gross weight (incl. packaging) | 272 g / 0.6 lbs |
| Packaging dimensions | 245 x 215 x 69 mm / 9.65 x 8.46 x 2.72 Inch |
| Hazardous material | No |
