فصل مزيج المركبات الفينولية على بعض الأطوار السائلة الثابتة باستخدام تقنية كروماتوغرافيا الغاز

Abstract EN

This study include found the optimization conditions (flow rate of carrier gas, sample injection and column temperature) for separation of mixture phenols and determination on packing column intermediate polarity poly siloxane (OV-17) through using gas-liquid chromatography which is equipped with a flame ionization detector (FID) and the nitrogen (N2) as carrier gas with flow rate 10ml.min-1 at different column temperature ranged 10°C increasment with isothermal temperature system.

Temperature effect on chromatographic behavior were investigated of (phenol, m-aminophenol) on packed column (OV-17), the results obtained showed normal chromatographic behavior through the calculate of thermodynamic parameters (ΔH°, ΔS°, ΔG°) ,as well as the resolution of system through measure of number of a theoretical plate (N) and equivalent highest of one theoretical plate (HETP).

Programming temperature system were used by using gas liquid chromatography equipped with a flame ionization detector and the N2 as mobile phase with a flow rate 30ml.min-1 at different column temperature for separation mixture of phenols compounds such as (p-methoxyphenol, m-nitrophenol, maminophenol, o-aminophenol and phenol) on polar liquid stationary phase (DP5-S25) and non-polar capillary column poly siloxane (OV-5).

Resolution factor (RS) of studied mixture on (DP5-S25) and (OV-5) with compared of results and find out of optimum resolution of phenols mixture.