文档介绍：Chapter 7 Gas Chromatograph Introduction to Interphase Separations Interphase Separations Mixed Substances Mobile Phase Stationary Phase ponents 2. Classification of Chromatography Instrumentation By the types of mobile phase & stationary phase Gas - Liquid GLC Gas - Solid GSC Liquid - Liquid LLC Liquid - Solid LSC By stationary’s forms Column Paper thin layer By separation mechanism absorption partition exchange 3. Typical GCS Progresses Carrier gas Column Injector Sample Detector Chromatogram Principle of GC 1. The Interphase Partition of One Substance C(m) C(s) (1) Partition Coefficient K 7-1 (2) Partition Ratio k p, q : mass fraction in the stationary and mobile phase k: Partition Ratio or Capacity factor : phase ratio 7-2 7-3 7-4 Plate (1) mon relationship (2) Theoretical Plate Model: Height Equivalent to a Theoretical Plate(HETP) Gas Flow rate is 1 plate Volume per time K is a constant e into the plate only by the plate No. 0 7-5 Binomial distributing 7-7 7-6