Chapter_21_Lecture_Notes

Chapter_21_Lecture_Notes - 3. How does a HCL work? D. Beam...

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Chapter 21: Atomic Spectroscopy I. Overview of Atomic Spectroscopy Experiments A.   How does atomic spectroscopy differ from molecular  spectroscopy? B.  Types of Atomic Spectroscopy Experiments 1. Atomic Absorption Spectroscopy 2. Atomic Emission Spectroscopy
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3. Atomic Fluorescence Spectroscopy II.  Atomic Absorption Spectroscopy (AAS) A.  Atomic Absorption vs. Molecular Absorption Spectroscopy  Setup B.  1. Nebulization
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2. Flame and Flame Composition 3. Atomization C.  The Hollow Cathode Lamp (HCL) 1. The Role of the Hollow Cathode Lamp in AAS  2. Why use a HCL?
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Unformatted text preview: 3. How does a HCL work? D. Beam Chopping 1. Position of beam chopper in atomic absorption spectroscopy. 2. Purpose of using a beam chopper in AAS. E. How the beam chopper functions. III. The Role of Temperature and How Temperature Affects Atomic Spectroscopy A. The Boltzman Distribution B. Effect of Temperature on Absorption and Emission 1. Effects on Absorption 2. Effects on Emission IV. Atomic Linewidths and Line Broadening A. Inherent Linewidth of Atomic Absorption Lines B. Line Broadening a. Doppler Effect b. Pressure Broadening...
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This note was uploaded on 11/03/2009 for the course CHEM 241 taught by Professor Tiani during the Summer '08 term at UNC.

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Chapter_21_Lecture_Notes - 3. How does a HCL work? D. Beam...

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