EUROLAB, with its state-of-the-art accredited laboratories and expert team, provides precise and fast testing services within the scope of EN 15309 testing. This European standard specifies the procedure for the quantitative determination of major and trace element concentrations in homogeneous solid waste, soil and soil-like materials using energy dispersion X-ray fluorescence (EDXRF) spectrometry or wavelength dispersion X-ray fluorescence (WDXRF) spectrometry.
The quality of the results obtained is very closely dependent on the type of instrument used, e.g. benchtop or high performance, energy dispersive or wavelength dispersive instruments. When choosing a specific instrument, several factors need to be considered, such as the matrices to be analyzed, the elements to be determined, the detection limits required, and the measurement time. The quality of the results depends on the element to be determined and the matrix surrounding it.
It is often difficult to set up a calibration with matrix-matched reference materials due to the lack of suitable reference materials in the case of a wide variety of matrix compositions and inhomogeneous matrices such as waste.
Anyone dealing with waste and sludge analysis should be aware of the typical risks presented by such materials, regardless of the parameter to be determined. Consequently, it is recommended that these samples be handled with special care. Gases that can be produced by microbiological or chemical activity are potentially flammable and will pressurize sealed bottles. Exploding bottles are likely to result in dangerous shrapnel, dust or aerosol. National regulations regarding all hazards associated with this method must be followed.
After proper preparation, if necessary, the sample is placed in an XRF-spectrometer and excited with primary X-rays. The intensities of secondary fluorescent energy lines specific to each element are measured, and the elemental composition of the sample is determined by reference to previously generated calibration charts or equations and applying corrections for inter-elemental effects. Calibration equations and inter-element corrections are generated using pure reagents or batches of internal or reference material, provided they meet all the requirements of the respective preparation technique.
EUROLAB assists manufacturers with EN 15309 test compliance. Our test experts, with their professional working mission and principles, provide you, our manufacturers and suppliers, the best service and controlled testing process in our laboratories. Thanks to these services, businesses receive more effective, high-performance and quality testing services and provide safe, fast and uninterrupted service to their customers.
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