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What Is X-ray Fluorescence, and How Does It Work?

Identify trace elements and alloys, analyze precious metals, and determine coating weight and plating thickness

Dan Hamilton
Tue, 11/23/2021 - 12:03
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X-ray fluorescence (XRF) is an analytic method used to define the elemental structure of a material. Companies use specific XRF instruments when determining the chemistry for a sample of a material. How is this done? The machine measures the secondary or fluorescent X-ray that is released after being stimulated by the primary X-ray source.

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Every component in any given sample makes its own set of characteristic fluorescent X-rays that are as individual as a human fingerprint. That is why spectroscopy designed specifically for X-ray fluorescence is ideal for generating both a quantitative and qualitative examination. Another major benefit of XRF is that it’s a nondestructive technique.

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