Energy Dispersive X-ray Spectroscopy (EDS)
I. Introduction
A. Definition and Purpose
B. Historical Background
II. Principles of Energy Dispersive X-ray Spectroscopy
A. X-ray Generation
B. X-ray Detection
C. Energy Dispersive X-ray Analysis
D. EDS Instrumentation
III. Applications of Energy Dispersive X-ray Spectroscopy
A. Material Science
1. Elemental Identification and Quantification
2. Chemical Analysis of Samples
3. Crystallographic Analysis
B. Forensic Science
1. Trace Evidence Analysis
2. Elemental Mapping of Crime Scenes
C. Nanotechnology
1. Nanoparticle Characterization
2. Surface Analysis of Thin Films
D. Geology
1. Identification of Minerals
2. Analysis of Geological Samples
3. Petrography
IV. Advantages and Limitations of Energy Dispersive X-ray Spectroscopy
A. Advantages
1. Non-destructive Analysis
2. High Sensitivity and Detection Limits
3. Elemental Mapping Capability
B. Limitations
1. Limited Quantitative Analysis
2. Sample Size Limitations
3. Complex Sample Preparation
V. Experimental Procedure for Energy Dispersive X-ray Spectroscopy
A. Sample Preparation
1. Choice of Sample
2. Mounting and Polishing
3. Coating for Electron Conductivity
B. Instrument Setup and Calibration
1. Detector Calibration
2. Optimization of Excitation Parameters
C. Data Collection and Analysis
1. Spectrum Acquisition
2. Elemental Identification and Quantification
3. Data Interpretation
VI. Conclusion
A. Summary of EDS Principles and Applications
B. Future Developments and Trends in EDS
