X-ray Fluorescence (XRF) Spectroscopy

X-ray Fluorescence (XRF) spectroscopy is a non-destructive analytical technique used to identify and quantify the elemental composition of bulk materials, powders, and thin films. When a sample is exposed to X-rays, constituent elements emit fluorescent radiation at characteristic energies, enabling rapid and accurate elemental identification without altering the material.

At Materials Metric, XRF is applied for compositional analysis, alloy verification, contamination screening, and raw material validation across metals, ceramics, glass, minerals, composites, and advanced materials. Our XRF workflows provide reliable elemental profiles that support materials selection, quality control, failure analysis, and regulatory documentation.

Use of XRF

XRF is used to:
• Perform rapid elemental screening
• Verify alloy and ceramic composition
• Measure filler content in composites
• Evaluate raw materials for quality control
• Detect contamination or foreign materials
• Analyze thin-film elemental makeup

Applications of XRF

• Metals/Alloys: composition verification and sorting
• Ceramics & Glass: elemental purity and quality control
• Polymers & Composites: filler analysis (CaCO₃, TiO₂, etc.)
• Industrial Materials: mining, minerals, pigments
• Coatings/Thin Films: elemental monitoring

Sample Analysis Process

1. Sample Submission & Review

Provide sample form (powder, solid, film)
• Define elements of interest

2. Sample Preparation

Minimal preparation needed
• Powders pressed or loaded into cups
• Bulk materials analyzed directly

3. XRF Measurement

Non-destructive X-ray excitation
• Multi-element detection
• Spectral deconvolution and calibration

4. Data Processing & Reporting

Elemental identification and quantification
• Comparison to specification or expected values
• Clear final report

Why Choose Materials Metric for Your XRF Analysis

Materials Metric provides fast and reliable XRF testing with:

Non-destructive elemental analysis
• Coverage of major and minor elements
• Bulk, powder, and thin-film compatibility
• Ideal for metals, ceramics, composites, and raw materials
• Rapid turnaround with clear, validated results

By combining XRF with ICP–MS, XRD, and AAS, Materials Metric provides comprehensive elemental and structural characterization for both R&D and quality assurance.

Related services

To learn more about our X-ray Fluorescence (XRF) Spectroscopy or other testing needs, please contact us.

Frequently Asked Questions

What is X-ray fluorescence (XRF) spectroscopy?

X-ray fluorescence measures the characteristic secondary X-rays emitted by a sample when it is excited by a primary X-ray beam, identifying and quantifying the elements present. It is a fast, largely non-destructive technique for bulk elemental composition. Materials Metric uses XRF for alloy, coating, and material composition checks.

What can XRF detect or measure?

XRF quantifies elements roughly from sodium or magnesium up through uranium, covering major, minor, and many trace constituents. It is used for alloy identification, coating thickness, RoHS-type screening, and bulk composition. Light elements and very low trace levels are limited compared with ICP methods.

What sample is required for XRF?

Solids, powders, pressed pellets, liquids, and films can all be analyzed, often with little or no preparation for qualitative work. For accurate quantitation, powders are pressed or fused and surfaces are made flat and representative. Sample size ranges from small coupons to cups of powder or liquid.

Which standards apply to XRF?

Materials Metric uses validated or fit-for-purpose methods aligned with ASTM/ISO where applicable, and RoHS-type screening references IEC 62321 where relevant. Calibration uses certified reference materials matched to the matrix, with fundamental-parameter or empirical models. The protocol is chosen to fit the material and the required accuracy.