Short Course Outline - XRF2025

Week I - Fundamentals, Instrumentation and Qualitative Analysis

It is open to all who are working or intend to work in X-ray spectrometric analysis. No previous knowledge or background in X-ray spectrometry is required.

Topics to be covered in Week I:

Day 1

• Introduction to XRF: WDXRF and EDXRF
• X-Ray Physics
• Instrumentation: WDXRF and EDXRF
• Practical Exercise: Instrumentation and X-ray Source

1. Introduction to WDXRF and EDXRF Spectrometers
2. Live instrument demonstration
   
   

Day 2

• Practical Exercise: Qualitative Analysis, Spectral Identification – WDXRF & EDXRF
• Matrix Effects Part I: Absorption; Mass Absorption Coefficients
• Matrix Effects Part II: Enhancement, Mineralogical, Particle Size, Chemical Effects, & Infinite Thickness
• Practical Exercises: Working with Mass Absorption Coefficients (MACs)

Day 3

• Introduction to Setting Up Analytical Programs
• Simple Net Intensity - Introduction to Background Correction
• Introduction to Quantitative Analysis: Counting Statistics; Figure of Merits; Correction for Spectral Interferences; Calibration and Standardless Analysis
• Practical Exercise: Sources of Error; Counting Statistics; Precision/ Accuracy/ Bias
  
  

Day 4

• Introduction to Calibration and Matrix Correction Models
• Application Methods Maintenance: Drift Monitors; Drift Correction; Quality Control (QC)
• Introduction to Method Validation
• Best Operation Practice: WDXRF, EDXRF and related Analytical Issues
• Summary of Advantages and Disadvantages of XRF Spectrometry
  
  

Day 5 – Sample Preparation Workshop

• Representative Sampling
• Specimen Preparation: Crushing & Milling
• Pressed Powder Briquettes
• Surface Preparation for Metals Samples
• Preparation for Liquid Samples
• Borate Fusion Technique

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