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Dataset results
8 results for “pXRF”
pXRF analysis of medieval and modern ceramics from Erbray (France)
<p>This dataset contains analyses of 60 ceramic samples from Les Landelles (Erbray, Loire-Atlantique, France). The chemical composition of the samples was obtained by portable X-ray fluorescence spectrometry (pXRF).</p> <p><strong>Method</strong></p> <p>The outer surfaces of all the samples were mechanically removed prior to analysis.</p> <p>The samples were heated to 950°C for one hour after 24h drying at 50°C, weighted for LOI calculation and ground in a tungsten carbide mortar. Measurements were made on pelletized powders.</p> <p>Measurements were carried out on powders placed in sample holders, through a Mylar film.</p> <p>A Vanta VCR C-series portable X-ray fluorescence spectrometer (Olympus) was used on a laboratory bench with a beam diameter of 10 mm. The spectrometer is equipped with a 4W, 40kV max, 200 µA max X-ray tube (Rh anode) and a silicon drift detector (SDD). For each analysis, the instrument was operated alternately at low energy (10 keV) for 90 s to quantify light elements and at high energy (40 keV) for 90 s to quantify heavy elements. No vacuum or helium flow was used. Analytical repeatability, accuracy and precision were checked using an in-house obsidian standard.</p> <p>Using the GeoChem internal calibration, 15 elements were quantified: Al, Si, K, Ca, Ti, Cr, Mn, Fe, Ni, Cu, Zn, Rb, Sr, Zr, Pb.</p> <p>The files beamspectra.csv and chemistry.csv are the export files as produced by the instrument.</p> <p>The file erbray.csv contains all chemical compositions (only chemical elements for which measurements are considered reliable are retained), with the following columns:</p> <ul> <li><em>sample</em>: sample reference.</li> <li><em>laboratory</em>: analysis laboratory.</li> <li><em>date</em>: date of the analysis.</li> <li><em>group</em>: technical group.</li> <li><em>material</em>: type of material.</li> <li><em>stratigraphy</em>: stratigraphic unit.</li> <li><em>comments</em>: extra information.</li> <li><em>LOI</em>: loss on ignition (percent).</li> <li><em>Al, Si, K, Ca, Ti, Cr, Fe, Rb, Sr, Zr, Pb</em>: amounts and corresponding uncertainties (ppm).</li> </ul>
pXRF samples of Archaic Corinthian vessels
<p>This dataset includes all information on the pXRF analyses performed on a series of pottery finds from the archaeological site of Corinth, Greece. These samples were first presented in the dissertation<em> Forming Identities: Technological Choices and Pottery Manufacturers in Archaic Corinth</em>, and later published, with revisions, by BAR International Series as Rodriguez-Alvarez, Emilio. 2021.<em> Forming Identities: Technological experimentation in Archaic Corinthian workshops and the origins of the Black Figure pottery style</em>. Oxford: BAR Publishing.</p> <p>For a more detailed information of all files included please read the Readme pdf.<br> <br> Hope you find all files useful for your research!</p>
pXRF investigation of copper objects from the Congo Basin (Museum of Anthropology and Archaeology (MAA), University of Cambridge)
<p>This dataset contains the data related to the pXRF analyses conducted on copper objects from the Congo Basin curated at the Museum of Anthropology and Archaeology (MAA), University of Cambridge in December 2020. The study has been done in the framework of the H2020-MSCA-IF-2019 Project Number 890896 ‘An Archaeology of Exchange Networks in Central Africa. The Cases of the Copperbelt and Niari Basin Copper Deposits’ (ArCAN).</p> <p><a href="http://cordis.europa.eu/project/id/890896">https://cordis.europa.eu/project/id/890896</a></p> <p>All information about the dataset can be found in the readme file.</p>
pXRF-analysis of Roman pottery from Brigantium/Bregenz (A)
<p>raw data of the pXRF-analysis from Roman pottery from the site "Gmeinerwiese" in Brigantium/Bregenz (A)</p>
Collection of pXRF Data Corresponding to Study Spectral Samples | Southwest Australia Acid Saline Sediments | Radwin 2022
<p>This file contains pXRF data from a portable Bruker XRF instrument using mudrock calibration settings, where each sample was scanned for 90 seconds to alternate through energy spectrums. This data has at tab displaying associated file numbers that correspond to sample ID's. These sample ID's all correspond to spectra of the same sample location used for the pXRF measurements. This data was collected for the completion of a masters thesis at the University of Utah Department of Geology & Geophysics. </p>
A multi-method (FTIR, XRD, PXRF) analysis of Ertebølle pottery ceramics from Scania, southern Sweden
<p>Geochemical analysis data of Late Mesolithic (Ertebølle) pottery ceramics from Scania, southern Sweden</p>
Daten zu Korngrössenanalyse und Magerungseffekt bei pXRF-Analysen experimentell hergestellter Keramik
<p>Rohdaten der pXRF-Messungen und Korngrössenbestimmung sowie die verwendeten Skripte</p>
pXRF Lithic tools database
<p>pXRF Lithic tools database with elemental semi-quantitative analysis.</p>
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International Brain Laboratory public data
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OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.