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Atomic Spectroscopy

Credits 5
Hours per week 2 / 2 / 0
Examination Ex
Study Language English
Level Master subject
Guarantor Ing. Antonín Kaňa, Ph.D.
prof. Ing. Oto Mestek, CSc.

Summary

In lectures, students learn about modern methods of trace element analysis based on the principles of atomic spectroscopy. Introductory part of the course is devoted to theoretical principles, the structure of the atom, energy transitions in the electron shell of atoms and basic structural elements used in atomic spectroscopy. The main part of the course comprises atomic absorption spectroscopy, which is currently the most widely used technique of elemental analysis. Students learn the used radiation sources, methods of atomization interference correction methods and some special approaches to the analysis (generation of volatile compounds, electrolytic deposition of analyte). Another series of lectures is devoted to emission spectral analysis, students will learn various methods of excitation spectra, such as spark, arc, glow discharge, plasma and laser. Attention is also paid to the atomic fluorescence spectroscopy, the X-ray, electron and mass spectroscopy. In the lectures on applications, students get acquainted with work in the trace lab, use of coupled techniques for speciation analysis, the methods of preparation of various types of samples (water, biological materials, ores and rocks) and the possibilities of using atomic spectroscopy techniques for in situ analysis.
In the laboratory, students learn the practical application of some of these techniques (different types of atomic absorption spectroscopy, mass spectroscopy, inductively coupled plasma and X-ray fluorescence spectroscopy) for elemental analysis of major and trace amounts of elemets in rocks. Samples collected in areas Inter-university underground laboratory Josef Will be analyzed.

Syllabus

1. Structure of atoms, interaction of electrons with electromagnetic radiation
2. Basics of optics, construction of monochromators and polychromators
3. Atomic absorption spectroscopy (AAS): light sources and detectors
4. AAS: flame and electrothermal atomization
5. AAS: interferences and background correction, optimization and signal processing
6. AAS: special techniques, hydride generation, determination of mercury
7. Atomic fluorescence spectroscopy,
8. Flame emission spectrometry, spectrography with spark and arc excitation, glow-discharge emission spectroscopy
9. Inductively coupled plasma and direct plasma optical emission spectroscopy, laser induced breakdown spectroscopy
10. Inductively coupled plasma mass spectrometry
11. Sample preparation for trace elements’ analysis
12. Hyphenated techniques for trace elements’ speciation
13. X-ray fluorescence analysis
14. Electron spectroscopy, surface analysis

Literature

R: Cullen M.: Atomic Spectroscopy in Elemental Analysis, Blackwell, ISBN 1-84127-333-3
R: José A.C. Broekaert: Analytical Atomic Spectrometry with Flames and Plasmas, Wiley, ISBN 978-3-527-31282-5
Skripta (in Czech): Černohorský T., Jandera P.: Atomová spektroskopie, Univerzita Pardubice 1997. ISBN 80-7194-114-X
R: Ebdon L., Evans E.H., Fisher A.S., Hill S.J.: An Introduction to Analytical Atomic Spectrometry. Willey 1998, ISBN 978-0-471-97418-5

UCT Prague
Technická 5
166 28 Prague 6 – Dejvice
IČO: 60461373
VAT: CZ60461373

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Copyright: UCT Prague 2017
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