Macherey-Nagel GC Capillary Column OPTIMA-225 ID: 0.25 mm, film thickness: 0.25 μm length: 50 m

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