Subject:  SELECTED METHODS OF INSTRUMENTAL ANALYSIS

 

Semester taught: 1st and 2nd

 

Programme of Study: Graduate study of chemistry

 

Pre-requisites: B. Sc. in Chemistry or Chemical Engineering

 

Objectives: On completion of this module the postgraduate student will be able to: (I) to understand the principles and analytical performances (capabilities) of modern instrumental methods; (II) to select a particular method(s) for solving complex analytical problems.

 

Syllabus:

 

a) Spectrochemical analysis

Theoretical basis of optical spectroscopy; Instrumentation in spectrochemical analysis; Flame, plasma, arc and spark emission spectrometry; Atomic absorption spectrometry; Primary and secondary X-ray spectrometry; Total reflection X-ray spectrometry.

Methodology and applications of spectrometric methods in analytical chemistry; Flow injection spectrochemical analysis; the application of spectroanalytical techniques in medicine, biology, environmental sciences and industry.

 

b) Methods of ion and electron spectroscopy:

Methods of surface analysis and applications: X-ray photoelectron spectroscopy (XPS); UV-photoelectron spectroscopy (UPS); Auger electron spectroscopy (AES); Secondary ion mass spectrometry (SIMS); Laser microprobe mass spectrometry (LMMS); Scanning electron and scanning tunneling microprobes (SEM, STM); (II) Atomic mass spectrometry and applications: Instrumentation (low vs. high resolution instruments); isotopic analysis and applications in chemistry, agriculture, geology (archeology), medicine; Multielemental analysis (ICP-MS, SSMS); Isotope dilution mass spectrometry (IDMS); (III) Molecular mass spectrometry and applications : Basic instrumentation; Ionization techniques; Coupling of separation methods with mass spectrometry (GC-HPLC-MS); Identification and structure elucidation of organic compounds; Trace analysis; Process control.

 

c) Electroanalytical techniques

Potentiometry (sensors, ion selective electrodes, application in studies of equilibria), precision techniques (controlled potential electrolysis, coulometry).

Voltammetric techniques: pulse and differential pulse polarography, square wave voltammetry, application of voltammetric techniques in the determination of organic and inorganic species and studies of interactions in solutions.

Stripping techniques: anodic and cathodic stripping voltammetry, adsorption voltammetry, application in trace analysis.

Trends and development of electroanalytical methods and instrumentation: microelectrodes, chemically modified electrodes, electrochemical detection in flow-through systems, hyphenated techniques.

 

Form of teaching: Lectures and seminars

 

Form of assessment: Examination

 

Recommended textbook:

D.A. Skoog, F. J. Holler, S.R. Crouch, Principles of Instrumental Analysis, 6th Ed., Thompson Brooks/Cole, Belmont, CA, 2007.

White-Wood: Mass Spectrometry-Applications in Science and Engineering, Wiley 1986.

J.D. Ingle Jr., S.R. Crouch, Spectrochemical analysis, Prentice Hall, Englewood Cliffs , New Jersey 07632.

B. W. Rossiter, j. E Hamilton (Ed), Physical Methods of Chemistry, Sec. Ed. Vol II, Electrochemical Methods, New York, 1986.

J. Wang, Stripping analyiss, Principles, Instrumentation and Application, VCH Weinheim, 1985.

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