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What is XRF Technology

- Apr 18, 2018 -

The X-ray fluorescence process

  1. A solid or a liquid sample is irradiated with high energy X-rays from a controlled X-ray tube.

  2. When an atom in the sample is struck with an X-ray of sufficient energy (greater than the atom’s K or L shell binding energy), an electron from one of the atom’s inner orbital shells is dislodged.

  3. The atom regains stability, filling the vacancy left in the inner orbital shell with an electron from one of the atom’s higher energy orbital shells.

  4. The electron drops to the lower energy state by releasing a fluorescent X-ray. The energy of this X-ray is equal to the specific difference in energy between two quantum states of the electron. The measurement of this energy is the basis of XRF analysis.


Please access to our website skyray Instrument for more XRF infos, such as handheld XRF, Benchtop XRF, portable unit, for sulfur analysis, oil analyzer, metal analyzer, cement analyzer, mineral analyzer, alloy detector, etc.

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