A Review of Energy Dispersive X-Ray Fluorescence (EDXRF) as an Analytical Tool in Numismatic Studies

Navas, M.J.; Asuero, Agustín G.; Jiménez, Ana

doi:10.1177/0003702815616594

Cited by 19 publications

(6 citation statements)

References 52 publications

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“…BET, BJH gas V 70 45 400 TGA [31] Thermogravimetric Analysis T mass 65 10 400 FT-IR [32] Fourier Transform Infrared photons photons 62 25 000 (N)IR (Near)Infrared IR IR 61 77 000 MS Mass Spectroscopy molecules ions 50 62 000 TEM [33] Transmission Electron Microscopy e − e − 47 30 500 PSD [34] Particle Size Distribution photons photons 36 26 000 UPS Ultraviolet Photoelectron Spectroscopy UV e − 33 6700 UV-Vis [35] Ultraviolet- [36] Differential Scanning Calorimetry T H 21 11 900 ICP [37] Inductively Coupled Plasma, -MS ions ions 21 12 000 NMR [38] Nuclear Magnetic Resonance mgn fld radio 12 45 000 TPD Temperature Programmed Desorption T mass 12 2800 TPO Temperature Programmed Oxidation T mass 11 2000 XRF [39] X-Ray Fluorescence X-rays X-rays 11 4600 AES Auger Electron Spectroscopy X-rays e − 10 4100 Raman [40] Raman Spectroscopy photons photons 8 37 500 DRIFT Diffuse Reflectance IR Fourier Transform IR IR 6 900 ESR [41] Electron Spin Resonance, EPR photons photons 5 8500 AFM [42] Atomic Force Microscopy distance force 4 18 000 FEM [43] Field journals. A bibliometric map for each technique will give context to the work and identify what scientific disciplines use it.…”

Section: Nature Of Phasesmentioning

confidence: 99%

Experimental methods in chemical engineering: Preface

Patience

2018

Can J Chem Eng

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Chemical engineering research encompasses a plethora of subjects ranging from nanoscale to climate change, from medicine to hazardous waste management, and from electronics and photonics to process intensification, manufacturing, and modelling. The 2017 AIChE meeting included 8000 oral presentations and posters with all these diverse topics. Here we identify experimental methods and instrumentation that straddle these subjects based on Can. J. Chem. Eng. articles published from 2016–2017. Temperature, pH, pressure, and flow rate are the physical properties most researchers report. We identified over 50 experimental techniques, reactor types, and modelling methodologies and show that articles with an experimental focus are more strongly linked than those that concentrate on hydrodynamic modelling and numerical simulation. Spectroscopy dominates instrumental techniques to characterize solids and catalyst properties and we classify 36 instruments according to what property they measure and the scale, nature of the phase, composition, and morphology. A bibliometric analysis grouped the physicochemical properties into three major research clusters centered around solid properties, liquid phase properties, and gas phase and aqueous phase properties. Articles in this special series describe the basic principles of one experimental method or instrument that appears frequently in the journal. Together with a short background, the articles highlight fields of application, assess the sources of error, detection thresholds, and uncertainty. This series provides chemical engineers with a concise, accessible reference guide to help identify and choose appropriate experimental techniques and instruments.

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Section: Nature Of Phasesmentioning

confidence: 99%

Experimental methods in chemical engineering: Preface

Patience

2018

Can J Chem Eng

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“…Buying, selling and trading coins, especially old and rare ones, can be an expensive investment, so the application of non-destructive analytical techniques in the Archaeometry study is important, mainly because you can identify fake pieces [3]. Data from virtually all types of coins, most of which are photographed, with the mint year and other information, can be found in the online numismatics catalogs.…”

Section: Introductionmentioning

confidence: 99%

Analysis of South America coins of the XIX and XX centuries by XRF technique

Nardes

2021

Braz. J. Rad. Sci.

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In this work, the elemental composition of 21 coins from nineteenth and twenty centuries of South America belonging to a private collection were performed using the X-Ray Fluorescence (XRF). Different coin numismatic catalogs were used as reference material. The XRF measurements were performed using ARTAX 200 system (Bruker AXS Inc., Madison, WI, USA), which consists of an X-ray tube with Mo anode and a Silicon Drift Detector. The analyses were performed with a voltage and current of 40 kV and 600 μA, respectively, and an acquisition time of 100 s. It was possible to evaluate that all twenty-one pieces were made from metallic alloys. The major elements found were Fe, Cu, Ni, Zn and Sn. Twenty coins were consistent with their cataloged version, on the other hand, only one coin showed a different chemical composition from its cataloged version. So, this result can be an indication that this coin may be a fake.

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“…Further difficulties may be related to the access to objects preserved under special conservation conditions. Therefore, a correct analysis by pEDXRF needs to be carried out on a flat surface, because an irregular or corroded surface can affect the intensity of the excitation and emitted radiation and this could modify the accuracy of results (Liangquan et al, 1998;Navas et al, 2016;Roldán García and Vives-Ferrándiz Sánchez, 2018;Schiavon et al, 2016).…”

Section: Introductionmentioning

confidence: 99%

Analysis of Sagunto Ibero-Roman votive bronze statuettes by portable X-ray fluorescence

Rubio-Barberá

Fragoso

Gallello

et al. 2019

Radiation Physics and Chemistry

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The main objective of this work was the study of chemical composition of an important collection of Ibero-Roman votive bronze statuettes exposed in the Archaeological Museum of Sagunto (Spain). Precision and accuracy of the measurements were obtained developing a proper analytical method, also avoiding any possible damage to the studied objects using a portable energy dispersive X-ray fluorescence system. Principal Components Analysis (PCA) to discriminate between groups based on ratios Fe/Cu, Pb/Cu, Sn/Cu, Ag/Cu, Ni/Cu and Impurities/Cu were employed to observe differences between the used smelting, manufacturing processes and raw materials. The characterisation of bronze statuettes cross-referenced with archaeological data, gave important suggestions to clarify issues regarding manufacturing processes, quality and chronologies of the studied objects.

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A Review of Energy Dispersive X-Ray Fluorescence (EDXRF) as an Analytical Tool in Numismatic Studies

Cited by 19 publications

References 52 publications

Experimental methods in chemical engineering: Preface

Experimental methods in chemical engineering: Preface

Analysis of South America coins of the XIX and XX centuries by XRF technique

Analysis of Sagunto Ibero-Roman votive bronze statuettes by portable X-ray fluorescence

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