Good sample preparation is essential for performing high-quality chemical analysis using X-ray fluorescence (XRF). Whichever samples are being assessed – loose or pressed powders, fused beads, solid samples or liquids – finding the right approach to sample preparation for XRF is the first, and one of the most important, steps in achieving accurate and reproducible results. 

Sample preparation greatly increases the accuracy of the analytical results and unlike other analytical techniques, XRF analysis does not require extensive sample preparation work. Sample preparation methods are inexpensive, straightforward, fast, easy to learn and automated. Allowing the operator to perform other valuable tasks in the laboratory.

Malvern Panalytical – your partner in sample preparation

As pioneers and world leaders in XRF analysis, Malvern Panalytical is the ideal partner for sample preparation – every step of the way. Thanks to decades of application experience, we are at the forefront of all XRF sample preparation methods and developments, and have the knowledge necessary to help with all XRF sample preparation requirements.

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Claisse - the world leader in sample prep by fusion

Claisse joined the team of Malvern Panalytical in 2014. Since then, both companies are working in synergy to offer a complete range of products and a larger body of knowledge in the field of XRF analysis.

What is fusion?
Fusion is a sample preparation method developed in the mid 50s. It consists in dissolving at high temperatures a fully oxidized sample in a suitable solvent (a flux) in a platinum, zirconium or graphite crucible. The melted mixture is agitated and poured into a mold to create a glass disk for XRF analysis. It can be poured into a beaker to create a solution for AA or ICP analysis.

Why should I use fusion in my laboratory?
This universal technique has numerous benefits when you compare it with other sample preparation methods such as pressed pellet.

Benefits of fusion

  • Leads to highly accurate and repeatable results
  • Processes a wide variety of samples from polymer to ferroalloys
  • Simple, fast and efficient
  • Very cost-effective
  • Clean and safe
  • The analytical results are not affected by mineralogy and particle size effects
  • Easy calibration and application of matrix correction

Claisse LeNeo

Claisse LeNeo

Keeping ahead through Claisse expertise in fusion

More details
Measurement Elemental analysis
Number of samples per fusion cycle 1
Productivity Glass disks (XRF) : up to 4 per hour; Borate and peroxide solutions (ICP-AA): up to 6 per hour
Heating mode Electric
Technology Borate fusion

Claisse TheOx Advanced

Claisse TheOx Advanced

Electric fusion instrument for XRF, AA & ICP analysis

More details
Measurement Elemental analysis
Number of samples per fusion cycle 6
Productivity Glass disks (XRF): up to 24 per hour; Borate and peroxide solutions (ICP-AA): up to 36 per hour
Heating mode Electric
Technology Borate fusion

Claisse Eagon 2

Claisse Eagon 2

Fully automatic fusion machine for XRF analysis

More details
Measurement Elemental analysis
Number of samples per fusion cycle 2
Productivity Glass disks (XRF) : up to 8 per hour
Heating mode Electric
Technology Borate fusion

Claisse M4

Claisse M4

The standard in sample preparation by fusion

More details
Measurement Elemental analysis
Number of samples per fusion cycle 3
Productivity Glass disks (XRF): up to 12 per hour; Borate solutions (ICP-AA): up to 24 per hour
Heating mode Gas
Technology Borate fusion

Claisse LeDoser-12

Claisse LeDoser-12

Just-in-time weighing for optimal precision and repeatability!

More details
Measurement 3D structure / imaging
Productivity Runs autonomously for up to 250 weighings (depending on quantity of flux)
Technology Borate fusion

Claisse LeDoser

Claisse LeDoser

Weigh and dispense borate flux with high precision

More details
Measurement 3D structure / imaging
Precision Up to 0.0001g
Productivity Runs autonomously for up to 250 weighings (depending on quantity of flux)
Technology Borate fusion

Claisse rFusion

Claisse rFusion

Let the Claisse rFusion work for you

More details
Measurement Elemental analysis
Number of samples per fusion cycle 6
Productivity Glass disks (XRF): up to 24 per hour; Borate solutions (ICP-AA): up to 48 per hour
Heating mode Gas
Technology Borate fusion

Claisse LeNeo

Claisse LeNeo

Keeping ahead through Claisse expertise in fusion

Claisse TheOx Advanced

Claisse TheOx Advanced

Electric fusion instrument for XRF, AA & ICP analysis

Claisse Eagon 2

Claisse Eagon 2

Fully automatic fusion machine for XRF analysis

Claisse M4

Claisse M4

The standard in sample preparation by fusion

Claisse LeDoser-12

Claisse LeDoser-12

Just-in-time weighing for optimal precision and repeatability!

Claisse LeDoser

Claisse LeDoser

Weigh and dispense borate flux with high precision

Claisse rFusion

Claisse rFusion

Let the Claisse rFusion work for you

More details More details More details More details More details More details More details
Measurement Elemental analysis Elemental analysis Elemental analysis Elemental analysis 3D structure / imaging 3D structure / imaging Elemental analysis
Number of samples per fusion cycle 1 6 2 3     6
Productivity Glass disks (XRF) : up to 4 per hour; Borate and peroxide solutions (ICP-AA): up to 6 per hour Glass disks (XRF): up to 24 per hour; Borate and peroxide solutions (ICP-AA): up to 36 per hour Glass disks (XRF) : up to 8 per hour Glass disks (XRF): up to 12 per hour; Borate solutions (ICP-AA): up to 24 per hour Runs autonomously for up to 250 weighings (depending on quantity of flux) Runs autonomously for up to 250 weighings (depending on quantity of flux) Glass disks (XRF): up to 24 per hour; Borate solutions (ICP-AA): up to 48 per hour
Heating mode Electric Electric Electric Gas     Gas
Precision           Up to 0.0001g  
Technology Borate fusion Borate fusion Borate fusion Borate fusion Borate fusion Borate fusion Borate fusion