Unit 4630 - Analytical Chemistry

1. Introduction to Analytical Chemistry

• Definition and scope of analytical chemistry
• Importance in industries: pharmaceuticals, environmental monitoring, food safety, materials science, forensic science
• Overview of analytical techniques: qualitative vs quantitative
• Fundamental principles: accuracy, precision, sensitivity, selectivity, detection limits

2. Qualitative Analysis Techniques

• Purpose and role in chemical analysis
• Flame tests: procedure and identification of elements
• Precipitation reactions: types and applications
• Spectroscopic techniques for qualitative analysis
  • Atomic absorption spectroscopy (AAS)
  • Emission spectroscopy
  • Basic principles of molecular spectroscopy

3. Quantitative Analysis Techniques

• Gravimetric analysis: principles, procedures, and applications
• Titration methods
  • Acid-base titrations
  • Redox titrations
  • Complexometric titrations
• Spectrophotometry for quantification
  • Beer-Lambert law
  • Calibration curves
  • Practical considerations

4. Chromatography Techniques

• Introduction to chromatography: separation principles
• Gas Chromatography (GC)
  • Instrumentation and working principle
  • Applications and interpretation of results
• Liquid Chromatography (LC)
  • Types: HPLC, UHPLC
  • Detectors and mobile phases
• Thin-Layer Chromatography (TLC)
  • Procedure and qualitative analysis
  • Visualization techniques

5. Spectroscopic Techniques

• UV-Visible Spectroscopy
  • Principles and instrumentation
  • Applications in qualitative and quantitative analysis
• Infrared (IR) Spectroscopy
  • Molecular vibrations and functional group identification
  • Sample preparation methods
• Nuclear Magnetic Resonance (NMR) Spectroscopy
  • Basic principles
  • Structural elucidation of organic compounds

6. Electroanalytical Techniques

• Overview of electrochemical analysis
• Potentiometry
  • pH measurement and ion-selective electrodes
• Voltammetry
  • Types: cyclic, linear sweep
  • Applications in trace metal detection
• Coulometry
  • Principles and quantitative applications

7. Mass Spectrometry

• Fundamentals of mass spectrometry
• Ionization techniques: EI, CI, MALDI, ESI
• Mass analyzers: quadrupole, TOF, ion trap
• Interpretation of mass spectra
• Applications in molecular structure determination and isotopic analysis

8. Sample Preparation and Handling

• Importance of sample quality
• Sampling methods: random, systematic, stratified
• Sample preservation techniques
• Extraction methods
  • Liquid-liquid extraction
  • Solid-phase extraction
• Sample storage and contamination prevention

9. Quality Control and Validation

• Definition and significance
• Calibration of instruments
• Method validation parameters
  • Precision
  • Accuracy
  • Sensitivity
  • Limit of detection (LOD) and limit of quantification (LOQ)
• Quality assurance protocols and documentation

10. Applications of Analytical Chemistry

• Environmental analysis
  • Water and air quality monitoring
• Pharmaceutical analysis
  • Drug purity and content determination
• Forensic science
  • Trace evidence and toxicology
• Food analysis
  • Nutrient and contaminant detection
• Materials science
  • Composition and structural analysis