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 | 0.32 mm |
Film thickness | 0.25 µm |
Column length | 25 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) | 265 g / 0.58 lbs |
Packaging dimensions | 245 x 215 x 69 mm / 9.65 x 8.46 x 2.72 Inch |
Hazardous material | No |