OPTIMA 1701 Capillary columns for GC Features 14 % cyanopropyl-phenyl -; 86 % dimethylpolysiloxane · USP G46 Medium polar phase Special selectivity due to high cyanopropyl content Reference column for structure identification, e.g., in combination with OPTIMA 5 Film thickness ≥ 1 m for solvent analyses Similar phases: OV-1701, DB-1701, CP-Sil 19 CB, HP-1701, Rtx-1701, SPB-1701, 007-1701, BP10, ZB-1701 Max. temperature for isothermal operation 280 C, max. temperature for short isotherms in a temperature program 300 C