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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Erskine, Peter D.
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (6/6 displayed)
- 2024Rare earth elements (REEs) in soils and plants of Bangka Island (Indonesia) focussing on (hyper)accumulationcitations
- 2024Comparing portable x-ray fluorescence spectroscopy instrumentation for metallome analysis of herbarium specimenscitations
- 2023A systematic assessment of the metallome of selected plant families in the Queensland (Australia) flora by using X-ray fluorescence spectroscopycitations
- 2022Polymetallic (zinc and cadmium) hyperaccumulation in the Australian legume Crotalaria novae-hollandiae compared to Crotalaria cunninghamiicitations
- 2022X-ray fluorescence spectroscopy (XRF) for metallome analysis of herbarium specimenscitations
- 2021Tools for the discovery of hyperaccumulator plant species in the field and in the herbariumcitations
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article
Comparing portable x-ray fluorescence spectroscopy instrumentation for metallome analysis of herbarium specimens
Abstract
<p>The use of x-ray fluorescence (XRF) instruments for metallome analysis of herbarium specimens to discover hyperaccumulator plant species has gained popularity, but a growing concern arises about intercomparability from the use of different instrument makes and models. Therefore, this study aimed to assess the performance and comparability of the results generated by three different XRF instruments and three different quantification methods (empirical calibration based on XRF versus inductively coupled plasma atomic emission spectroscopy [ICP-AES] regression, in-built manufacturer algorithms, and an independent GeoPIXE software pipeline based on Fundamental Parameters). Three instruments with distinct specifications were chosen to improve the generalizability of the results, ensuring relevance to a wide range of instruments that may be used in the future for metallome analysis of herbarium specimens. Each instrument was used to scan a representative set of dried hyperaccumulator plant leaf samples, and their accuracy in quantifying elemental concentrations was then compared. The manufacturer algorithms overestimate the elemental concentrations and have the highest errors. The empirical calibrations have the closest mean concentration to the mean concentrations reported by ICP-AES, but can produce negative values. The independent pipeline performance is marginally better than the empirical calibration, but it takes substantially more time and effort to setup the Fundamental Parameters through reverse engineering the instrument hardware parameters. Using the GeoPIXE independent pipeline to extract the XRF peak intensity to use in the empirical calibration performs better than manufacturer algorithms, while avoiding the complicated setup requirements, and this should be considered for further development.</p>