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Bruker Micro-XRF

The Bruker M4 TORNADO rapidly measures composition and element distribution, generating a wealth of information. The micro-XRF instrument of choice for research in materials science, forensics, archeometry and microelectronics, including catalysis, failure analysis, corrosion research and failure analysis. Perform material testing, quality control, layer system analysis, toxic element screening and many other analytical tasks.



Highly sensitive analysis

All sample types

Including inhomogenous samples, liquids and irregular shapes

Large area maps

At high resolution


Analyse a Wide Range of Samples:

  • Virtually any kind of inorganic, organic or even liquid sample
  • 600mm x 350mm x 260mm sample chamber for large samples and weights up to 5kg
  • Even and irregular shapes

A large vacuum sample chamber supports light element detection. Spot sizes down to 25 µm provide excellent spatial resolution. Larger spot sizes up to 200 µm are now also available with the new FlexiSpot feature, for analysing inhomogenous materials.

Customise the M4 TORNADO for extended measurement ranges and even faster analysis speeds. Adding a second tube with a different target and collimator enhances flexibility. For the fastest analysis speeds, add a second SD detector.



Low-alloy steel is highly sensitive to corrosion. Parts and structures made of this steel are often protected by a Zn or a ZnAl coating. Analyse treated steel samples and examine elemental distribution for a better understanding of corrosion processes and how to reduce corrosion.

Solar cells & thin films analysis

Solar Cells

Measure thin film solar cells both in air and under vacuum. Micro XRF can be used in-line during manufacturing as well as for final product testing.

 Lab report – Analysis of solar cells using µ-XRF

Automotive coating analysis


Analyse coatings on many different substrates – including metal finishes, functional coating and decorative layers. Both thickness and composition of layers can be determined, even in complicated multi-layer systems.

 Article: Measuring coating thickness

Archaeological analysis

Forensics and Archeometry

Examine layer systems such as paint, extremely small material fragments and gunshot residues. The M4 TORNADO is also ideal for non-destructive analysis of documents and small works of art, for example for authentication.

 Article – Analysing Medieval glass

Small Particle Analysis

Small Particles

Analyse the chemical composition of small particles to determine their origin. For example, analyse wear debris in engine oil to highlight components causing abrasion. Particles in plastics influence the performance of the material and are typically caused by contamination, from the manufacturing machinery or environment.

Distribution analysis of electronic components

RoHS (Restriction of the Use of Hazardous Substances)

Detect substances imposing environmental and health hazards. Determine compliance with the Restriction of the Use of Hazardous Substances regulation. The M4 TORNADO can determine heavy metal and other harmful element content, even in the ppm range. Qualitative analysis of single points and examination of element distributions for various sample types, including electronic components, toys and consumer products. The high excitation efficiency of the M4 TORNADO quickly screens and detects even the smallest traces.

Bioscience analysis


Examine the metabolism of biological samples for valuable information about environmental conditions, health and diseases. Analyse the distribution of essential elements in plants and in animal organs with high spatial resolution and sensitivity. Fast data acquisition enables sensitive samples to be screened without causing damage.

 Case study: Investigating the Role of Alternative Splicing in Rice Nutrient Use

Analysis of geological samples


The large sample stage of the M4 TORNADO is perfect for analysing geological samples. Phase analyses and searches for trace elements can be performed easily, to study geological processes such as rock formation or to assess ores for mineral content. The software features a wealth of useful options for analysis and data representation.

 More about geological applications and mineral analysis

 Analysis of geological thin sections

 Acquiring large area maps at high resolution

Inhomogenous Samples

Inhomogenous Samples

The FlexiSpot feature adds the option of a larger spot size, up to 200 µm, for more precise quantification of inhomogenous and uneven samples, including irregular shapes, powders and granular samples. Data is collected from a larger area, still at high resolution, for more a more accurate representation of the material’s composition.



Testimonial: Geological Survey of Finland (GTK)

The Geological Survey of Finland officially opened its new scanning micro-XRF mineral analyser facility in October 2021.

“I would like to express my sincere gratitude for the smooth delivery, installation, testing and training on our M4 Tornado. Everything went according to the plan and we are extremely satisfied with the services that were afforded to us. The system is working well and is already greatly appreciated by our staff.

In particular I would like to mention Dr Andrew Menzies, who came over from Berlin to give us our Application Training. Andrew worked tirelessly with two separate groups (“Operators” & “Users”) to explain and demonstrate the workings of the system and the intricacies of the software.  Many of my colleagues are very experienced mineralogists, and yet he was still able to show them aspects that they were not familiar with.”

Alan Butcher – Research Professor, GTK


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