Useful Links
Chemistry
Organic Chemistry
Spectroscopy and Analysis
Mass Spectrometry
Basic Principles
Ionization Methods
Electron Ionization (EI)
Chemical Ionization (CI)
Electrospray Ionization (ESI)
Matrix-Assisted Laser Desorption/Ionization (MALDI)
Mass Analyzers
Quadrupole Mass Analyzers
Time-of-Flight (TOF) Analyzers
Ion Trap Analyzers
Fourier Transform Ion Cyclotron Resonance (FT-ICR)
Detectors
Electron Multiplier
Faraday Cup
Microchannel Plate
Molecular Ion and Fragmentation
Understanding the Molecular Ion Peak
Fragmentation Patterns
Alpha Cleavage
McLafferty Rearrangement
Retro-Diels-Alder Fragmentation
Isotopic Patterns and Applications
Applications of Mass Spectrometry
Proteomics and Biomolecule Analysis
Metabolomics
Environmental Analysis
Quality Control in Industry
Infrared Spectroscopy
Basic Principles
Vibrational Modes
Stretching Vibrations
Bending Vibrations
Infrared Active vs. Inactive Compounds
Functional Group Identification
Characteristic IR Absorption Bands
Hydroxyl Groups (O-H Stretch)
Carbonyl Groups (C=O Stretch)
Amines and Amides (N-H Bending)
C-H Stretching Patterns in Alkanes, Alkenes, and Alkynes
Application of IR Spectroscopy
Compound Identification
Monitoring Reactions
Structural Analysis of Polymers
Nuclear Magnetic Resonance (NMR)
Basic Principles
Nuclear Spin
Magnetic Field and Resonance
Proton and Carbon NMR
¹H NMR Spectroscopy
Chemical Shifts
Spin-Spin Coupling
Integration and Peak Areas
¹³C NMR Spectroscopy
Simplified Spectra
DEPT (Distortionless Enhancement by Polarization Transfer)
Chemical Shifts and Coupling
Factors Affecting Chemical Shifts
Electronegativity and Hybridization
Anisotropic Effects
J-Coupling and Its Interpretation
Scalar Coupling
Coupling Constants
Advanced NMR Techniques
Two-Dimensional NMR
COSY (Correlation Spectroscopy)
HSQC (Heteronuclear Single Quantum Coherence)
NOESY (Nuclear Overhauser Effect Spectroscopy)
Solid-State NMR
UV-Visible Spectroscopy
Basic Principles
Electronic Transitions
π to π* Transitions
n to π* Transitions
Beer's Law
Absorbance, Transmittance, and Concentration Relationship
Application of UV-Visible Spectroscopy
Determination of Concentration
Analysis of Conjugated Systems
Monitoring Reaction Progress
Chromatography and Separation Techniques
Basic Principles
Mobile Phase and Stationary Phase
Retention Time and Separation Efficiency
Gas Chromatography (GC)
Types of Columns
Packed Columns
Capillary Columns
Detectors Used in GC
Flame Ionization Detector (FID)
Electron Capture Detector (ECD)
Liquid Chromatography (LC)
High-Performance Liquid Chromatography (HPLC)
Types of HPLC
Normal Phase HPLC
Reverse Phase HPLC
Detectors in HPLC
UV-Vis Detector
Refractive Index Detector
Applications of LC
Pharmaceutical Analysis
Separation of Complex Mixtures
Advanced Chromatographic Techniques
Thin Layer Chromatography (TLC)
Ion Exchange Chromatography
Gel Permeation Chromatography (GPC)
6. Organic Reaction Mechanisms
First Page
8. Organic Synthesis