M.Sc- Chemistry Semester-III syllabus
Analytical chemistry
Maximum Marks: 100
Theory Examination: 80
Internal Assessment: 20
Max. Time: 3 hrs.
Note: There shall be nine questions in all. Question no. 1 shall be compulsory, consisting of eight short answer type questions covering the entire syllabus. Two questions will be asked from each unit. Student will have to attempt one question from each unit. Each question shall carry equal marks.
Unit-I
Error analysis: Methods of sampling and associated errors, Classification of errors, Propagation of errors, treatment of errors, Normal distribution, Tests of Significance and Confidence Limits.
Chromatography: Types. Ion exchange chromatography, planar chromatography - paper and Thin Layer Chromatography, Stationary and mobile phases, Gas chromatography – Theory, instrumentation and applications. Liquid-liquid partition chromatography, High Performance Liquid Chromatography (HPLC), Reverse phase chromatography.
Unit-II
Atomic Absorption Spectroscopy: Principle, instrumentation, resonance line , its natural width, Doppler effect, broadening due to pressure, Hollow cathode lamp, Application to alkali and alkaline earth metals, sensitivity and detection limits, interferences in AAS and their elimination. Flame photometry: Theory of flame photometry, flame temperature, Emission Flame photometry
intensity of spectral lines, selection of optimum working conditions, application of flame photometry in trace metal analysis.
Unit-III
Thermal Methods: Introduction to Thermogravimetric Analysis (TGA) and Derivative Thermogravimetric Analysis (DTG), static thermogravimetry and dynamic thermogravimetry,
Instumentation, thermogram, factors affecting thermograms, application of thermogravimetry. Reaction
kinetics – Kinetics by single and multiple heating rates, Differential Thermal Analysis (DTA), DTA theories, DTA curves, factors affecting DTA curves, Instrumentation, applications of DTA, simultaneous determination in thermal analysis, Correlation of DTA and TGA data with examples. Differential Scanning Calorimetry (DSC) Introduction, Instrumentation, Power compensated DSC, Heat Flux DSC, DSC curves, factors affecting DSC curves, applications.
Unit-IV
Electrogravimetry: Current-voltage relationship during an electrolysis, decomposition potential, constant
current electrolysis, constant cathode potential electrolysis, apparatus, electrodes, mercury cathode,
applications physical properties of electrolytic precipitates , chemical factors of importance in electrodeposition, Electrolytical methods without cathode potential control; Coulometric analysis :
Coulometric methods of constant electrode potential and coulometric titrations- Apparatus and applications; Amperometric titrations , anodic stripping voltammetry, and cyclic voltammetry.
Suggested Readings:
1. D.A. Skoog, D. M. West, F. J. Holler, S.R. Crouch, Fundamentals of Analytical Chemistry, 8th
Edition, Thomson (2004).
2. A.I. Vogel, A text book of Quantitative Analysis, 5th Edition Revised by G. H. Jeffery, J. Bassett,
J. Mendham and R. C. Denney, ELBS (1989).
3. A. K. De, S. M. Khopkar and R. A. Chalmers, Solvent Extraction of Metals, Van Nostrand,
Reinhold (1970).
4. L. R. Snyder and J. J. Kirkland, Introduction to Modern Liquid Chromatography, 2nd Edition,
Wiley (1979).
5. Jose A. C. Broekaert, Analytical Atomic Spectrometry with flames and Plasmas, Wiley-VCH
(2002).
6. C. J. Cramer, Essentials of Computational Chemistry: Theories and Models, John Wiley.
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