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What is X-Ray Fluorescence (XRF)?
X-Ray Fluorescence (XRF) is a method used to determine the chemical composition of a material using X-ray radiation. The method works by exposing the sample to an X-ray source, causing the atoms in the material to emit secondary (fluorescent) radiation. This fluorescence is captured by a detector system, which can interpret the radiation patterns to determine which elements—and in what quantities—are present.
Portable X-ray fluorescence analyzers can analyze individual elements and also classify around 100 standard grades through an internal reference database. Besides steel, the equipment can analyze certain copper alloys.
The equipment is mainly used for sorting tasks. In addition, the analysis can be used to verify the chemical composition of items or components where cutting out a sample is not allowed or is impractical.
In NDT (Non-Destructive Testing) and quality control, XRF is particularly used for sorting metals and alloys, verifying raw materials, and identifying contamination or deviations in production.
The advantages of XRF
are that the method is quick, relatively easy to perform, and can be carried out on-site using portable equipment. Furthermore, XRF is non-destructive, meaning you do not need to cut or damage the component to obtain accurate information about its chemical content.
Handheld XRF Demo