المصدر: محاضرة عن ( An Introduction to Chromatography) في منتدى : قسم الكيمياء (hi)(hi)(hi)(hi) :gift::gift: محاضرةعن An Introduction to Chromatography تتضمن الكثير من المعلومات المهمة Chromatography Milestones in Chromatography Purpose of Chromatography Classification of Methods Mobile Phase Classification based on Mobile Phase Classification based on Attractive Forces Detectors Problem The GC-MS Process GC-MS Analysis of Money Food Chemistry Evaluate Instrumentation Basis of Chromatography Definitions Types of Chromatography Instrumentation for GC Modes of GC Separation GC Liquid Phase GC - Modes of Separation Properties of a Good Detector Detectors for GC MS Components Ionization Methods Ionization Methods Types of MS Analyzers Two Operational Modes Total Ion Chromatogram Mass Spectrum - GC-MS Analysis of Organic Mass Spectral Data Mass Spectrum Major Steps in Analysis of Mass Spectral Data Molecular Ion Example: Mass Spectrum of Methanol (CH3OH) Isotopes Classes of Isotopes Natural Isotopic Abundance of Common Elements in Organic Compounds Isotopic Distribution Patterns Identify Possible Species والكثير الملف بالمرفقات