Unit 3791: Advanced Analytical Chemistry Techniques

1. Spectroscopic Techniques

1.1 Infrared (IR) Spectroscopy

• Principle and instrumentation
• Functional group identification
• Qualitative and quantitative applications

1.2 UV-Visible Spectroscopy

• Electronic transitions and Beer-Lambert Law
• Quantitative analysis of analytes
• Instrument calibration and spectral interpretation

1.3 Atomic Absorption Spectroscopy (AAS)

• Flame and graphite furnace techniques
• Elemental analysis and sensitivity
• Sample preparation and matrix effects

1.4 Mass Spectrometry (MS)

• Ionization methods (EI, CI, MALDI, ESI)
• Mass analyzers and detectors
• Interpretation of mass spectra for qualitative and quantitative analysis

2. Chromatographic Methods

2.1 High-Performance Liquid Chromatography (HPLC)

• Components and operation
• Stationary and mobile phases
• Detection methods and quantification

2.2 Gas Chromatography (GC)

• Principles and instrumentation
• Column types and detectors
• Sample introduction and analysis of volatile compounds

2.3 Thin-Layer Chromatography (TLC)

• Plate preparation and spotting techniques
• Development and visualization
• Qualitative and semi-quantitative analysis

3. Electrochemical Analysis

3.1 Cyclic Voltammetry

• Experimental setup
• Interpretation of voltammograms
• Applications in redox chemistry

3.2 Polarography

• Dropping mercury electrode principles
• Measurement of reduction and oxidation processes
• Analytical applications

3.3 Coulometry

• Principles of charge measurement
• End-point determination
• Quantitative analysis

4. Quality Control and Assurance

4.1 Statistical Analysis

• Descriptive statistics
• Control charts and process capability

4.2 Calibration Procedures

• Calibration curves and standards
• Linearity, sensitivity, and detection limits

4.3 Validation of Analytical Methods

• Accuracy, precision, specificity
• Robustness and reproducibility

4.4 Proficiency Testing

• Interlaboratory comparisons
• Quality audits

5. Environmental Analysis

5.1 Sampling Methods

• Air, water, soil, and biological samples
• Sampling protocols and preservation

5.2 Extraction Techniques

• Liquid-liquid extraction
• Solid-phase extraction
• Microwave-assisted extraction

5.3 Analysis of Pollutants

• Instrumentation for detecting heavy metals, organics, and particulates
• Data interpretation and regulatory standards

6. Pharmaceutical Analysis

6.1 Pharmacokinetic Studies

• Drug absorption, distribution, metabolism, and excretion (ADME)
• Analytical methods for drug monitoring

6.2 Impurity Profiling

• Identification and quantification of impurities
• Regulatory requirements

6.3 Stability Testing

• Forced degradation studies
• Shelf-life determination

6.4 Bioanalytical Techniques

• Sample preparation for biological matrices
• Validation for bioanalytical assays

7. Forensic Chemistry

7.1 Drug Analysis

• Identification of controlled substances
• Quantitative analysis methods

7.2 Toxicology

• Detection of poisons and toxins
• Interpretation of toxicological data

7.3 Trace Evidence Analysis

• Fibers, paints, and soils
• Analytical techniques employed

7.4 Arson Investigation

• Analysis of accelerants
• Chromatographic and spectrometric approaches

8. Data Analysis and Interpretation

8.1 Multivariate Analysis

• Principal component analysis (PCA)
• Cluster analysis

8.2 Chemometrics

• Calibration models
• Pattern recognition

8.3 Software Tools

• Data processing software (e.g., Origin, MATLAB, ChemStation)
• Reporting and visualization