Unit 1:
Errors, Statistics, and Sampling [10 h]Theoretical principles of qualitative and quantitative analysis. Types of analytical methods – importance of analytical methods in qualitative and quantitative analysis – chemical and instrumental methods – advantages and limitations. Data analysis average deviation, standard deviation, confidence limits, comparison of results – t-test and f-test, rejection of results, calibration curves, and correlation coefficient. Significant figures. Sampling – procedures and statistics.
Unit 2:
Aqueous and Solid Phase Extraction [10 h]Liquid-liquid extraction theory and selection of solvents. Distillation – introduction, types of distillation, and applications. Solid phase extraction (SPE) types, formats and apparatus, method of operation, solvent selection, factors affecting SPE, automation, and on-line SPE. Supercritical fluid extraction instrumentation and applications.
Unit 3:
Chromatography[13 h]Thin layer chromatography – stationary phase, mobile phase, adsorbents, plate preparation, sample application, development, saturation of chamber, detection of spot, Rf values calculation, effect of adsorbent, solvent, solute, quantitative analysis and applications. Column chromatography packing a column and application. Separation of biomolecules electrophoresis, centrifugation of DNA and proteins. Gas chromatography (GC), high-performance liquid chromatography (HPLC), GC-MS and LCMS instrumentation, working principle and application.
Unit 4:
Thermal Analysis [10 h]Principle of thermogravimetry (TGA), differential thermal analysis (DTA), differential scanning calorimetry (DSC) – instrumentation and characteristics of TGA and DTA curves, factors affecting TGA and DTA curves. Applications – determination of purity of compounds by DSC, thermometric titrations, microthermal analyser working principle and applications.
Unit 5:
Surface Characterization Techniques[17 h]Principle, instrumentation, working and applications of the following microscopic techniques- SEM, AFM, STM, STEM, TEM, confocal microscopy and fluorescence microscopy. Elemental composition – energy dispersive spectroscopy, UPS, XPS, Auger electron spectroscopy, selected area diffraction. Particle size analyzers, DLS, zeta potential, BET and electrochemical surface area analysis.