Open links in new tab
  1. Wikipedia
    https://en.wikipedia.org/wiki/X-ray_fluorescence

    X-ray fluorescence - Wikipedia

    • When materials are exposed to short-wavelength X-rays or to gamma rays, ionization of their component atoms may take place. Ionization consists of the ejection of one or more electrons from the atom, … See more

    Chemical Analysis

    The use of a primary X-ray beam to excite fluorescent radiation from the sample was first … See more

    Wikipedia
    Other Spectroscopic Methods Using The Same Principle

    It is also possible to create a characteristic secondary X-ray emission using other incident radiation to excite the sample: 1. electron beam: electron microprobe; 2. ion beam: parti… See more

    Wikipedia
    Instrument Qualification

    A 2001 review, addresses the application of portable instrumentation from QA/QC perspectives. It provides a guide to the development of a set of SOPsif regulatory complianc… See more

    Wikipedia
    Detecting light elements with portable XRF - Portable Spectral Se…
    Sodium is an important element in a variety of industries and the ability to quantify this element is an important step forward for portable XRF technology. Therefore, the ability of the Bruker TR…
    Portable Spectral Services · https://www.portas…
    Feedback
    Table of Contents
    Chemical Analysis
    Other Spectroscopic Methods Using The Same Principle
    Instrument Qualification
     
  1. Sodium has a very low energy fluorescence (<1 keV) and so the air between the sample and the detector is too heavy for the fluorescence to pass through. The addition of He to the instrument enables the Na fluorescence to reach the detector and be quantified.

    Detecting light elements with portable X…

    www.portaspecs.com/detecting-light-elements-wit…
    The elements that are the lightest on the periodic table (below magnesium—for example, hydrogen, carbon, nitrogen, oxygen, and sodium) have X-rays that are too weak to travel back to the detector and get counted. And XRF just tells you how much of what elements are present—it says nothing about the chemical structure.

    X-Ray Fluorescence (XRF) Frequently Ask…

    www.olympus-ims.com/en/insight/x-ray-fluorescenc…
  2. People also ask
    What does XRF mean in chemistry?
    XRF stands for X-ray fluorescence. It’s a powerful, nondestructive technique for measuring elemental composition. How does XRF Work? An analyzer emits X-rays. The X-rays hit the sample and cause the elements in the sample to fluoresce and travel back to an X-ray detector in the analyzer.

    X-Ray Fluorescence (XRF) Frequently Asked Questions (FAQs)

    olympus-ims.com
    Why is sodium important in XRF technology?
    Developments in XRF technology are constantly being made to broaden the information we can get from our samples. Sodium is an important element in a variety of industries and the ability to quantify this element is an important step forward for pXRF technology.

    Detecting light elements with portable XRF - Portable Spectral Services

    portaspecs.com
    What is XRF scanning?
    XRF scanning of the Rembrandt -painting Syndics of the Drapers' Guild. A handheld XRF analyzer gun. X-ray fluorescence (XRF) is the emission of characteristic "secondary" (or fluorescent) X-rays from a material that has been excited by being bombarded with high-energy X-rays or gamma rays.

    X-ray fluorescence - Wikipedia

    en.wikipedia.org
    What is XRF irradiation?
    In XRF, X-rays produced by a source irradiate the sample. In most cases, the source is an X-ray tube but alternatively it could be a synchrotron or a radioactive material.

    THEORY OF XRF - Purdue University

    chem.purdue.edu
    How XRF spectroscopy is used to detect sodium?
    A spectrum is created with distinct peaks for each element present in the sample, and the peak areas determine intensity; calibration is needed to relate intensity to actual concentrations. Sodium is the lightest element capable of being detected using energy dispersive XRF ( Brouwer, 2003 ).

    Evaluation of X-ray fluorescence spectroscopy as a method for the rapi…

    sciencedirect.com
    How does XRF work?
    XRF instruments bombard samples with X-ray radiation to remove electrons from the inner orbitals via the Compton or photoelectric effect—when the electron absorbs all of the photon energy, whereas in the Compton effect only part of the energy is taken by the electron. (Figure 2). X-ray fluorescence (XRF) basics.

    Experimental methods in chemical engineering: X‐ray fluorescence—XRF

    onlinelibrary.wiley.com
    Feedback
  3. Purdue Chemistry
    https://www.chem.purdue.edu/xray/docs/Theory of XRF.pdf
    [PDF]

    THEORY OF XRF - Purdue University

  4. Wiley Online Library
    https://onlinelibrary.wiley.com/doi/10.1002/c…

    Experimental methods in chemical engineering: X-ray …

    Feb 27, 2024 · X-ray fluorescence (XRF) is a non-destructive spectrometric technique to detect elements with an atomic number from 11 (sodium) and beyond 92 (uranium). When X-rays or gamma rays eject tightly bound inner …

  5. Portable Spectral Services
    https://www.portaspecs.com/detecting-li…

    Detecting light elements with portable XRF - Portable …

    Nov 1, 2019 · Sodium is an important element in a variety of industries and the ability to quantify this element is an important step forward for portable XRF technology. Therefore, the ability of the Bruker TRACER 5g to detect and …

  6. thermofisher.com
    https://assets.thermofisher.com/TFS-Assets/MSD/...
    [PDF]

    XRF Technology for Non-scientists - Thermo Fisher Scientific

  8. Olympus Inspection Solutions
    https://www.olympus-ims.com/en/insight/x-ray...

    X-Ray Fluorescence (XRF) Frequently Asked Questions (FAQs)

  9. Springer
    https://link.springer.com/book/10.1007/9…

    Handbook of Practical X-Ray Fluorescence Analysis

    X-Ray ?uorescence analysis (XRF) has developed into a well-established multi-elemental analysis technique with a very wide ?eld of practical app- cations, especially those requiring nondestructive analytical methods.

  10. ScienceDirect
    https://www.sciencedirect.com/science/article/pii/B9780323911504000185

    X-ray fluorescence spectroscopy - ScienceDirect

  11. HORIBA
    https://www.horiba.com/.../xrf-analysis-theory

    XRF Analysis - X-ray Fluorescence (XRF) Analysis - Horiba

  12. ScienceDirect
    https://www.sciencedirect.com/science/article/pii/S0022030215003720

    Evaluation of X-ray fluorescence spectroscopy as a method for the …