Wavelength Dispersive X-ray Fluorescence
我. 介紹
A. Brief explanation of X-ray fluorescence
乙. Introduction to Wavelength Dispersive X-ray Fluorescence (WDXRF)
C. Importance of WDXRF in various industries
二. Principle of Wavelength Dispersive X-ray Fluorescence
A. Explanation of X-ray excitation of atoms
乙. X-ray detection and energy dispersion
C. Wavelength dispersion and its advantages in WDXRF
D. Role of crystal analyzers in wavelength dispersion
三、. Instrumentation of Wavelength Dispersive X-ray Fluorescence
A. Components of a WDXRF spectrometer
1. X-ray tube
2. Sample chamber
3. X-ray detectors
4. Crystal analyzers
5. Data acquisition system
四號. Applications of Wavelength Dispersive X-ray Fluorescence
A. Analysis of metals and alloys
1. Quantification of elements present in metallic samples
2. Identification of impurities and trace elements
3. Determination of elemental composition in alloys
乙. Environmental analysis
1. Detection of heavy metal contaminants in soil and water samples
2. Monitoring air pollution through analysis of particulate matter
3. Analysis of environmental samples for regulatory compliance
C. Geological analysis
1. Identification of minerals in rocks and ores
2. Determination of elemental composition in geological samples
3. Use of WDXRF in mining and prospecting
D. Pharmaceutical analysis
1. Analysis of drug formulations for elemental impurities
2. Quality control and batch testing of pharmaceutical products
3. Identification of counterfeit drugs through elemental fingerprinting
E. Forensic analysis
1. Analysis of trace evidence in criminal investigations
2. Analysis of gunshot residue for forensic ballistics
3. Examination of questioned documents for elemental profiling
V. Advantages and Limitations of Wavelength Dispersive X-ray Fluorescence
A. Advantages
1. High accuracy and precision in elemental analysis
2. Good sensitivity and detection limits
3. Wide elemental coverage and versatility
乙. Limitations
1. Sample preparation requirements
2. Potential spectral interferences
3. Cost and complexity of the technique
VI. 結論
A. Recap of the importance of Wavelength Dispersive X-ray Fluorescence
乙. Summary of applications and advantages
C. Potential future developments in WDXRF technology.
