Chapter 7 Gas Chromatograph 7.1 Introduction to Interphase Separations 1. Interphase Separations Mixed Mobile phase Separate Substances Stationary Phase Con ponents
Chapter 7 Gas Chromatograph 7.1 Introduction to Interphase Separations 1. Interphase Separations Mixed Substances Mobile Phase Stationary Phase Separated Components
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
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 separation mechanism absorption a exchange By stationary s forms Column Paper thin layer
• By stationary’s forms Column Paper thin layer • By separation mechanism absorption partition exchange
3. Typical GCS Progresses Carrier gas Sample lector Chromatogram Column→ Detector
3. Typical GCS Progresses Carrier gas Column Sample Injector Detector Chromatogram
7.2 Principle of GC 1. The Interphase Partition of One Substance (1)Partition Coefficient K C(m)= C(s) K 7-1
7.2 Principle of GC 1. The Interphase Partition of One Substance C(m) C(s) (1) Partition Coefficient K m s C C K = 7-1