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X-Ray Fluorescence Spectroscopy (XRF)
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Typical Applications of XRF

XRF InstrumentQuantitative and semiquantitative XRF analysis of surface, bulk and trace elements can be used for:

Application Notes
Document Title View
Process control monitoring of TV screen glass composition using XRF analysis.
Environmental Monitoring of Industrial Waste waters and Effluent Discharges
Environmental Monitoring of Contaminated Atmospheres
Waste Characterisation for Waste Acceptance Criteria (WAC) and Lead in Paint Analysis

Principle of XRF and Capabilities 

The sample is irradiated with X-rays within the instrument. If an X-ray photon is absorbed by the sample of sufficient energy then an electron is emitted via the photoelectric effect resulting in an electron hole in the atom. An inner shell electron will then fall back to fill this hole resulting in the release of electromagnetic energy with a frequency characteristic of the element present.

XRF is quantitative or semiquantitative and can be used on bulk powders, dusts, solids, metals and materials. Additionally it can be used on thin-film samples – e.g. filter papers used in environmental monitoring.

XRF is particularly cost effective for multiple samples.  Once calibrated it is very reproduceable week to week and month to month using check standards to monitor drift.

Main Features and Benefits of the Laboratory’s PANalytical PW2400 XRF instrument

  • Sensitivity and range of element detection:-
    • Detects all elements from boron upwards (B detection limits ~ 5%) 
    • Lower level of detection for most elements ~ 1 – 50ppm
    • Lower level of detection for carbon ~ 0.1%
    • Can analyse element concentrations from 10ppm – 100% in the same sample
    • Qualitative analysis of unknown samples
    • Range of sample types:-
      • Solids - Metal, Glass, Ceramic, Mineral, Fillers in plastic etc
      • Powders - Metal, Glass, Ceramic, Mineral, Oxide, Dust etc
  • Rapid throughput of samples.

Please contact us to discuss how your requirements can be met using this or any of our analytical techniques. We can issue no-obligation quotations once we have discussed your needs and can offer two levels of service “urgent” and “normal”. We also offer preferential rates for longer term analysis contracts. Click here to find out more.

Our site expert on XRF is Simon Romani.

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