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Portable X-ray fluorescence - Research Paper Example

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The techniques adopted in this lab test include XRF, with the main objective of the study being to develop a critical understanding of the application of these techniques. The experiment entails preparation and application of instruments, samples, and analysis of data. The…
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Portable X-ray fluorescence
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Download file to see previous pages ng solutions in the presence of several additive ions by portable X-ray fluorescence (XRF) revealing an optimum potassium gold cyanide concentration of 2 - 3 g/L for maximum cathode efficiency. Further, there is exploration of utility of XRF to determine the thickness of gold plated on copper substrates up to 6 microns.
For the second experiment, the objectives were to determine the detection limits, accuracy, repeatability and efficiency of a X-ray fluorescence spectrometer (Niton XRF analyzer) in comparison with the traditional analytical methods, inductively coupled plasma optical emission spectrometer (ICP-OES). Further, the experiment also involved applying inductively coupled plasma optical emission spectrometer (ICP-MS) in screening of major and trace elements of environmental samples including estuary soils and sediments, contaminated soils, and biological samples. For the third experiment the major objective was to compare lead concentrations in surface peat samples from the South Pennines (UK) derived using (a)
X-ray fluorescence spectrometry is a core aspect in analysis especially in the field of science and industry application. The concept of XRF lies on the principle that individual atoms, wherever excited as a result of contact with an external energy source, ends up emitting X-ray photons characterized by a a wavelength or energy. In which case, on this basis one can define the identity and quantification of an element present therein by simply counting the number of photons contained in energy from the given sample. Henry Moseley coined the technique, after being led by a discovery of X-ray tube that he applied in bombarding samples containing high energy electrons. Intuitively, Henry ended up with a mathematical relationship that could related the atomic number to the element’s emitted X-ray frequency. The years were followed by eventual development of the instrument leading to a modern XRF instrument that is reliable for analysis ...Download file to see next pagesRead More
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