Relevant bibliographies by topics / Portable x-ray fluorescence spectrometer (PXRF)

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Academic literature on the topic 'Portable x-ray fluorescence spectrometer (PXRF)'

Author: Grafiati

Published: 10 September 2021

Last updated: 17 July 2025

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Journal articles on the topic "Portable x-ray fluorescence spectrometer (PXRF)"

A.Vaishnavi. "Portable X-Ray Fluorescence-A Versatile Tool for Analysis." International Journal of Pharmacy and Biological Sciences (IJPBS) 14, no. 1 (2024): 101–9. https://doi.org/10.5281/zenodo.11119082.

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AbstractThe elemental analysis technique known as portable XRF spectrometer, or pXRF, is a rapid, affordable, non-destructive, and sustainable method to assess the elements in a variety of liquid and solid samples. Since food samples are easy to evaluate, rapid, simple, and accurate, it is desirable and promising to utilize pXRF to detect and fingerprint components in food products. We emphasized on reading the literature and making careful assessments of analytical elements such as linearity, LOD, LOQ, calibration methods, and the pXRF instrument's working mode. This accurate analysis, which

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Santana, M. L. T., B. T. Ribeiro, S. H. G. Silva, G. C. Poggere, L. R. G. Guilherme, and N. Curi. "Conditions affecting oxide quantification in unknown tropical soils via handheld X-ray fluorescence spectrometer." Soil Research 56, no. 6 (2018): 648. http://dx.doi.org/10.1071/sr18099.

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Soil chemical characterisation has been accurately performed worldwide using portable X-ray fluorescence (pXRF), contributing to fast, low-cost and environmentally-friendly soil analyses. However, many factors can influence the pXRF performance. Thus, this work was carried out to assess the oxides (SiO2, Al2O3, Fe2O3, TiO2 and P2O5) in tropical soils via pXRF, evaluating the effects of soil packing prior to analysis and the soil matrix. The packing of soil samples was performed using X-ray thin-film and common, low-cost plastic bags. Different soil matrices were obtained by grouping of samples

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Wang, Jiaxian, Li He, Zhengwei He, Yun Hou, Chaowei Wang, and Chengjiang Zhang. "Regularities of element migration based on rock spectral features: a case study of the Liwu copper deposit." Analytical Methods 13, no. 14 (2021): 1720–30. http://dx.doi.org/10.1039/d1ay00004g.

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Xia, Feiyang, Tingting Fan, Yun Chen, et al. "Prediction of Heavy Metal Concentrations in Contaminated Sites from Portable X-ray Fluorescence Spectrometer Data Using Machine Learning." Processes 10, no. 3 (2022): 536. http://dx.doi.org/10.3390/pr10030536.

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Portable X-ray fluorescence (pXRF) spectrometers provide simple, rapid, nondestructive, and cost-effective analysis of the metal contents in soils. The current method for improving pXRF measurement accuracy is soil sample preparation, which inevitably consumes significant amounts of time. To eliminate the influence of sample preparation on PXRF measurements, this study evaluates the performance of pXRF measurements in the prediction of eight heavy metals’ contents through machine learning algorithm linear regression (LR) and multivariate adaptive regression spline (MARS) models. Soil samples w

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López-Núñez, Rafael, Fátima Ajmal-Poley, José A. González-Pérez, Miguel Angel Bello-López, and Pilar Burgos-Doménech. "Quick Analysis of Organic Amendments via Portable X-ray Fluorescence Spectrometry." International Journal of Environmental Research and Public Health 16, no. 22 (2019): 4317. http://dx.doi.org/10.3390/ijerph16224317.

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The determination of heavy metals in soils and organic amendments, such as compost, manure, biofertilizer, and sludge, generally involves the digestion of samples with aqua regia, and the determination of those in the solution using various techniques. Portable X-ray fluorescence (PXRF) has many advantages in relation to traditional analytical techniques. However, PXRF determines the total elemental content and, until now, its use for the analysis of organic amendments has been limited. The objective of this work is the calibration of a PXRF instrument to determine the aqua regia-soluble eleme

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Silva, Sérgio Henrique Godinho, Elen Alvarenga Silva, Giovana Clarice Poggere, Luiz Roberto Guimarães Guilherme, and Nilton Curi. "Tropical soils characterization at low cost and time using portable X-ray fluorescence spectrometer (pXRF): Effects of different sample preparation methods." Ciência e Agrotecnologia 42, no. 1 (2018): 80–92. http://dx.doi.org/10.1590/1413-70542018421009117.

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ABSTRACT Portable X-ray fluorescence spectrometer (pXRF) has been recently adopted by the Soil Science community for uses in both field and laboratory, obtaining the total content of several chemical elements in a few seconds. Sulfuric acid digestion is an expensive and time-consuming laboratory analysis that provides contents of Fe2O3, Al2O3, SiO2, TiO2 and P2O5, important for soil studies. Due to few pXRF studies in tropical soils, this work aimed to compare contents of Fe2O3, Al2O3, SiO2, TiO2 and P2O5 obtained by pXRF with sulfuric acid digestion results, and to evaluate the effects of var

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Weindorf, David C., Somsubhra Chakraborty, Bin Li, Sanjit Deb, Atinderpal Singh, and Nana Y. Kusi. "Compost salinity assessment via portable X-ray fluorescence (PXRF) spectrometry." Waste Management 78 (August 2018): 158–63. http://dx.doi.org/10.1016/j.wasman.2018.05.044.

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Borges, Camila S., David C. Weindorf, Geila S. Carvalho, et al. "Foliar Elemental Analysis of Brazilian Crops via Portable X-ray Fluorescence Spectrometry." Sensors 20, no. 9 (2020): 2509. http://dx.doi.org/10.3390/s20092509.

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Foliar analysis is very important for the nutritional management of crops and as a supplemental parameter for soil fertilizer recommendation. The elemental composition of plants is traditionally obtained by laboratory-based methods after acid digestion of ground and sieved leaf samples. This analysis is time-consuming and generates toxic waste. By comparison, portable X-ray fluorescence (pXRF) spectrometry is a promising technology for rapid characterization of plants, eliminating such constraints. This worked aimed to assess the pXRF performance for elemental quantification of leaf samples fr

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Gallhofer, Daniela, and Bernd Lottermoser. "The Influence of Spectral Interferences on Critical Element Determination with Portable X-Ray Fluorescence (pXRF)." Minerals 8, no. 8 (2018): 320. http://dx.doi.org/10.3390/min8080320.

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Field portable X-ray fluorescence (pXRF) spectrometers are routinely used in mineral resources studies. To date, mineral resources studies have largely focussed on the application of pXRF to the exploration for deposits of base and precious metals. By contrast, studies using pXRF for the quantification of critical elements in geological materials are scarce since these elements are difficult to determine with energy-dispersive pXRF technology. This study explores the capability of pXRF spectrometers to detect and quantify critical elements (Ba, P, Nb, V, Co, REE, W, Bi, Hf, and Ta) in certifie

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Li, Bin, Somsubhra Chakraborty, Maria Fernanda Godoy Sosa, Nana Yaw O. Kusi, and David C. Weindorf. "Compost Cation Exchange Capacity via Portable X-Ray Fluorescence (PXRF) Spectrometry." Compost Science & Utilization 26, no. 4 (2018): 271–78. http://dx.doi.org/10.1080/1065657x.2018.1522280.

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Dissertations / Theses on the topic "Portable x-ray fluorescence spectrometer (PXRF)"

Tafani, Aurelien. "Social Dynamics and Ceramic Mobility of Final Bronze Age Ceramics in Corsica (France): Elemental Analysis Using a Portable X-Ray Fluorescence Spectrometer." Scholar Commons, 2016. http://scholarcommons.usf.edu/etd/6409.

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The Corsican Bronze Age is characterized by the erection of massive stone towers, the torre, and of stone enclosures, the casteddi. While the role of these structures is still debated, they have generally been interpreted as the sign of a hierarchical society, pervaded by martial values and fragmented into competing antagonistic groups. After several centuries of stability, a sharp demographic decline occurred at the end of the Middle Bronze Age. ca. 1350 and 1200 BC. In contrast, the Final Bronze Age, between 1200 and 950 BC, is a period of continuous expansion, characterized by the appearanc

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Pirone, Frederick S. "Trade, Interaction and Change: Trace Elemental Characterization of Maltese Neolithic to Middle Bronze Age Ceramics Using a Portable X-ray Fluorescence Spectrometer." Scholar Commons, 2017. http://scholarcommons.usf.edu/etd/6930.

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The insular nature of the Maltese archipelago provides a unique opportunity to explore trade and cultural change from the Neolithic to the Bronze Ages in the central Mediterranean. I hypothesize that, during the period in which the Maltese islands were experiencing a form of isolation—owing either to their distance from Sicily and other populated regions, to the collective formation of an inwardly-focused culture, or to a combination of these factors—it is unlikely that pottery played a significant role as either an import or export in the archipelago’s exchange relationships with other commun

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Costa, Hugo Tiago Duarte. "Concentração de metais pesados nos solos utilizados para agricultura urbana na cidade de Lisboa." Master's thesis, ISA/UL, 2015. http://hdl.handle.net/10400.5/10915.

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Mestrado em Engenharia do Ambiente - Instituto Superior de Agronomia The present work aims to study the content of heavy metals in soils used for urban agriculture in Lisbon. The Urban Agriculture can be found in various forms within city limits, the Urban Allotment Gardens (UAG) are one of these forms. For this study six UAG were choose, Allotment Park of Quinta da Granja (PHG), Allotment Park of Chelas Valley (PHVC), UAG of National Laboratory of Civil Engineering (LNEC), UAG of Psychiatric Hospital of Lisbon (CHPL), UAG of Quinta da Granja (GV) and UAG next to Internal Ring Road of Lisbo

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Tansel, Icten. "Differentiation And Classification Of Counterfeit And Real Coins By Applying Statistical Methods." Master's thesis, METU, 2012. http://etd.lib.metu.edu.tr/upload/12614417/index.pdf.

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ABSTRACT DIFFERENTIATION AND CLASSIFICATION OF COUNTERFEIT AND REAL COINS BY APPLYING STATISTICAL METHODS Tansel, I&ccedil ten M.Sc, Archaeometry Graduate Program Supervisor : Assist. Prof. Dr. Zeynep Isil Kalaylioglu Co-Supervisor : Prof. Dr. Sahinde Demirci June 2012, 105 pages In this study, forty coins which were obtained from Museum of Anatolian Civilizations (MAC) in Ankara were investigated. Some of those coins were real (twenty two coins) and the remaining ones (eighteen coins) were fake coins. Forty coins were Greek coins which were dated back to middle of the fifth century BCE and

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Aydin, Mahmut. "Authenticity Of Roman Imperial Age Silver Coins Using Non-destructive Archaeometric Techniques." Phd thesis, METU, 2013. http://etd.lib.metu.edu.tr/upload/12615717/index.pdf.

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Imitation of archeological artifacts or replacing the authentic ones with fake replicates is a universal problem it is particularly important in Turkey for historical metal objects. Traditionally used visual inspection methods alone are not sufficient for the solution of contemporary problems. In this study, chemical characterization has been used to determine the differences between the authentic and fake objects. The non-destructive analyses were carried out by Portable X-ray Fluorescence Spectrometry (P-XRF). Silver Roman Coins (27 B.C. to 244 A.D.) were the objects handled in this resea

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BOLORTUYA, Damdinsuren. "Portable X-Ray Fluorescence Spectrometer with High Sensitivity." Kyoto University, 2019. http://hdl.handle.net/2433/242503.

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Wilemon, Billy B. Jr. "Portable X-Ray Fluorescence Spectrometer Analysis of the Pylos Linear B Tablets." Thesis, Mississippi State University, 2017. http://pqdtopen.proquest.com/#viewpdf?dispub=10642684.

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This thesis investigates similarities in the chemistry of the Linear B clay tablets and sealings found at the Palace of Nestor in Pylos, located in the western Peloponnese. These similarities, or lack thereof, provide clues to the flow of material goods in and out of the palace and therefore to the degree of centralization of the government. Over a thousand 3000 year-old clay tablets and sealings currently housed at the National Archaeological Museum in Athens were analyzed using a pXRF over the course of the summers of 2015 and 2016. The chemical compositions were analyzed statistically.

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Mccormick, David Rafael. "Exploring Potential Applications of Portable X-ray Fluorescence on Earthen Materials from Southeast Mesoamerica." Scholar Commons, 2013. http://scholarcommons.usf.edu/etd/4540.

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The use of geochemical analysis for characterization studies of archaeological material has been increasing for decades. In recent years, advancements in X-ray fluorescence (XRF) instrumentation have led to hand-held portable XRF (pXRF) instruments capable of on-site, rapid, non-destructive analysis. The addition of pXRF to the archaeologist's toolkit has the potential to revolutionize geochemical characterization studies as research design can be informed by field analysis, once off-limits museum collections may now be analyzable, and data can be gathered on in-situ objects without disturbing

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Zamalloa, Jara Marco Antonio. "Exploratory analysis for the identification of false banknotes using portable X-ray fluorescence spectrometer." Master's thesis, Pontificia Universidad Católica del Perú, 2018. http://tesis.pucp.edu.pe/repositorio/handle/123456789/13011.

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El objetivo de este estudio fue verificar si un espectrómetro portátil de fluorescencia de rayos X (pXRF) puede reconocer las marcas de seguridad de los billetes originales que pueden ser reproducidas por los falsificadores. Se estudiaron billetes peruanos: 4 genuinos y 3 falsos, en 11 puntos de análisis cada uno, correspondiendo a 77 conjuntos de datos. El análisis de correlación de espectros entre los billetes originales fue 1.0, y no hubo correlación con los billetes falsos. El pXRF demuestra que dos marcas de seguridad fueron reproducidas por los falsificadores. The aim of this st

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Mckendry, Erin Marie. "Interpreting Bronze Age Exchange in Sicily through Trace Element Characterization of Ceramics Utilizing Portable X-Ray Fluorescence (pXRF)." Scholar Commons, 2015. https://scholarcommons.usf.edu/etd/5535.

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Throughout history and prehistory, Sicily has played a key role for maritime trade in the Mediterranean. Interactions with Sicily are attested to in research for various societies throughout the Mediterranean as early as the Neolithic. However, much of this research paints Sicilian societies as passive, focusing primarily on external groups of people in a given period and their influence on the island. By ignoring the importance of the indigenous population, current research lacks a balanced approach to investigations and subsequent conclusions. This is most evident in literature pertaining to

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Books on the topic "Portable x-ray fluorescence spectrometer (PXRF)"

Hewitt, Alan D. Detecting metallic primary explosives with a portable x-ray fluorescence spectrometer. U.S. Army Cold Regions Research and Engineering Laboratory, 1997.

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D, Estes Eva, Atmospheric Research and Exposure Assessment Laboratory (U.S.), and Research Triangle Institute, eds. A preliminary evaluation of the Scitec MAP-3, Warrington Microlead I, and Princeton Gamma-Tech XK-3 portable x-ray fluorescence spectrometers. Atmospheric Research and Exposure Assessment Laboratory, Office of Research and Development, U.S. Environmental Protection Agency, 1994.

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Book chapters on the topic "Portable x-ray fluorescence spectrometer (PXRF)"

Drake, B. Lee, Elizabeth Grace Mayer, and Aaron Shugar. "Chapter 16. Uncertainty and pXRF Measurements." In Advances in Portable X-ray Fluorescence Spectrometry. Royal Society of Chemistry, 2022. http://dx.doi.org/10.1039/9781839162695-00447.

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Seyfarth, Alexander. "Chapter 6. Industrial Applications of pXRF." In Advances in Portable X-ray Fluorescence Spectrometry. Royal Society of Chemistry, 2022. http://dx.doi.org/10.1039/9781839162695-00123.

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Drake, B. Lee, Brandi L. MacDonald, and Wen Yuan Lee. "Chapter 3. Qualitative Analysis Using pXRF." In Advances in Portable X-ray Fluorescence Spectrometry. Royal Society of Chemistry, 2022. http://dx.doi.org/10.1039/9781839162695-00051.

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Blair, Elliot H. "Chapter 14. pXRF Analysis of Heritage Glass." In Advances in Portable X-ray Fluorescence Spectrometry. Royal Society of Chemistry, 2022. http://dx.doi.org/10.1039/9781839162695-00400.

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Appoloni, Carlos Roberto, Fabio Lopes, Paulo Sergio Parreira, et al. "Laboratory Portable X-Ray Fluorescence (pXRF) Systems Design and Characteristics for In Situ Cultural Heritage Studies." In Handbook of Cultural Heritage Analysis. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-60016-7_19.

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Hseu, Zeng-Yei, Zueng-Sang Chen, Chen-Chi Tsai, and Shih-Hao Jien. "Portable X-Ray Fluorescence (pXRF) for Determining Cr and Ni Contents of Serpentine Soils in the Field." In Progress in Soil Science. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-28295-4_3.

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Ashkanani, Hasan J. "Archaeological Science in the Arabian Gulf: A Study of Bronze Age Pottery from Kuwait Using Portable X-Ray Fluorescence (pXRF)." In Gulf Conference on Sustainable Built Environment. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-39734-0_12.

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Dyrdahl, Eric, and Robert J. Speakman. "Investigating Obsidian Procurement at Integration Period (ca. AD 700-1500)TolaSites in Highland Northern Ecuador via Portable X-ray Fluorescence (pXRF)." In ACS Symposium Series. American Chemical Society, 2013. http://dx.doi.org/10.1021/bk-2013-1147.ch012.

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Cundiff, Farrah, Bonnie Clark, and Keith Miller. "Portable X-Ray Fluorescence (pXRF) Analysis of Egyptian Mortuary Practices." In The Egyptian Mummies and Coffins of the Denver Museum of Nature & Science: History, Technical Analysis, and Conservation. University Press of Colorado, 2020. http://dx.doi.org/10.5876/9781646421381.c007.

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Austin, Robert J., Sam B. Upchurch, James S. Dunbar, Richard W. Estabrook, Jon C. Endonino, and Adam M. Burke. "The Quarry Cluster Approach to Chert Provenance." In Early Human Life on the Southeastern Coastal Plain. University Press of Florida, 2018. http://dx.doi.org/10.5744/florida/9781683400349.003.0006.

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The quarry cluster approach developed for Florida chert sources in the 1980s has continued to be a robust and reliable method of sourcing artifacts. Provenance is based on visually observable textural and paleontologic attributes. Some improvements have been developed using Weights of Evidence Bayesian analysis and Portable X-ray Fluorescence (pXRF).

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Conference papers on the topic "Portable x-ray fluorescence spectrometer (PXRF)"

Bergslien, Elisa. "TRACKING HEAVY METALS IN THE FIELD: ISSUES WITH PORTABLE X-RAY FLUORESCENCE (PXRF) SPECTROMETRY OF SOILS." In Joint 52nd Northeastern Annual Section and 51st North-Central Annual GSA Section Meeting - 2017. Geological Society of America, 2017. http://dx.doi.org/10.1130/abs/2017ne-291286.

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Zamboni, C. B. "The use of portable X-rays Fluorescence Spectrometry (PXRFS) for clinical practices." In 10th Latin American Symposium on Nuclear Physics and Applications. Sissa Medialab, 2014. http://dx.doi.org/10.22323/1.194.0074.

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Bandy, Terryl L., Bradley D. Cramer, and Joseph Devera. "PORTABLE X-RAY FLUORESCENCE (PXRF) AS A RECONNAISSANCE TOOL FOR HIGH-RESOLUTION GLOBAL BIOGEOCHEMICAL STUDIES." In GSA Annual Meeting in Denver, Colorado, USA - 2016. Geological Society of America, 2016. http://dx.doi.org/10.1130/abs/2016am-283483.

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Dunnington, Dewey W., Ian S. Spooner, Christopher E. White, and Graham A. Gagnon. "EVALUATING THE UTILITY OF FIELD-PORTABLE X-RAY FLUORESCENCE (PXRF) FOR THE RAPID MEASUREMENT OF LANDSCAPE CHANGE PROXIES." In 53rd Annual GSA Northeastern Section Meeting - 2018. Geological Society of America, 2018. http://dx.doi.org/10.1130/abs/2018ne-310613.

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Ravansari, Roozbeh, and Lawrence D. Lemke. "PORTABLE X-RAY FLUORESCENCE TRACE METAL MEASUREMENT IN ORGANIC RICH SOILS: PXRF RESPONSE AS A FUNCTION OF ORGANIC MATTER FRACTION." In GSA Annual Meeting in Denver, Colorado, USA - 2016. Geological Society of America, 2016. http://dx.doi.org/10.1130/abs/2016am-285506.

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Hwang, Y., W. Chu, T. Shi, D. Taung, Y. Hsiou, and C. Chen. "37. Use of Portable X-Ray Fluorescence (PXRF) in Monitoring Arsenic Exposure During the Preventive Maintenance Task in the Microelectronic Industry." In AIHce 2005. AIHA, 2005. http://dx.doi.org/10.3320/1.2758624.

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Breen, Jeremy, Paulo de Souza, Greg Timms, John McCulloch, and Robert Ollington. "Analysis of heavy metals in marine sediment using a portable X-ray fluorescence spectrometer onboard an Autonomous Underwater Vehicle." In OCEANS 2012 - YEOSU. IEEE, 2012. http://dx.doi.org/10.1109/oceans-yeosu.2012.6263419.

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A., TISHKIN, and OMAROV G. "RELIMINARY DETERMINATION OF THE COMPOSITION OF METAL PRODUCTS FROM THE ARCHAEOLOGICAL COLLECTION OF THE KURCHUM VILLAGE MUSEUM (EAST KAZAKHSTAN)." In MODERN SOLUTIONS TO CURRENT PROBLEMS OF EURASIAN ARCHEOLOGY. Altai State Univercity, 2023. http://dx.doi.org/10.14258/msapea.2023.3.17.

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The museum of the Kurchum village, the East Kazakhstan region of the Republic of Kazakhstan, exhibits a small collection of archaeological items which are mostly random finds. Among them stands out a group of items made of non-ferrous metal of various preservation. The studies were carried out with the use of a portable X-ray fluorescence spectrometer “INNOV-X SYSTEMS” ALPHA SERIES™ (model Alpha-2000, made in the USA). The surface of the attached exhibits covered with oxides and patina was tested. The results obtained can be considered as preliminary and demonstrating only qualitative indicato

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Iticescu, C., P. L. Georgescu, M. Calmuc, V. Calmuc, and C. Topa. "CLIMATIC AND ANTHROPOGENIC INFLUENCES ON WATER QUALITY IN LAKE BRATES, ROMANIA." In 23rd SGEM International Multidisciplinary Scientific GeoConference 2023. STEF92 Technology, 2023. http://dx.doi.org/10.5593/sgem2023v/3.2/s12.07.

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Lake Brates is located near Galati city, in the south-eastern part of Romania being one of the largest lakes in the country. Unfortunately, water quality has greatly decreased in recent years, both due to human actions and to climate change. The present paper aims at establishing the quality of the water in Lake Brates as resulted from the calculation of the water quality index (WQI) by the weighted arithmetic method. In order to calculate this index, several sampling campaigns were carried out in various points of the lake, followed by the measurement of relevant parameters: pH, conductivity,

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Reports on the topic "Portable x-ray fluorescence spectrometer (PXRF)"

Olson, L. C., R. D. Knight, H L Crow, and H. A. J. Russell. Chemostratigraphic logging of the Lower Ordovician and Precambrian, Bells Corners borehole calibration facility, Ottawa, Ontario. Natural Resources Canada/CMSS/Information Management, 2022. http://dx.doi.org/10.4095/330519.

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Geochemical data were collected from a 120-meter-deep borehole (BC81-2) located at the Geological Survey of Canada's Bells Corners Borehole Calibration Facility in Ottawa, Ontario. This report documents geochemical data collected for the most frequently logged of the six boreholes located at the facility. The geochemical data were collected using a portable X-ray fluorescence (pXRF) spectrometer with a subset of samples collected for modern laboratory based fusion and multi-acid methods to calibrate the pXRF data for improved accuracy. Borehole geochemistry provides a characterization of Preca

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Knight, R. D., and H. A. J. Russell. Quantifying the invisible: pXRF analyses of three boreholes, British Columbia and Ontario. Natural Resources Canada/CMSS/Information Management, 2022. http://dx.doi.org/10.4095/331176.

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Portable X-ray fluorescence (pXRF) technology collects geochemical data at a fraction of the cost of traditional laboratory methods. Although the pXRF spectrometer provides concentrations for 41 elements, only a subset of these elements meet the criteria for definitive, quantitative, and qualitative data. However, high-quality pXRF data obtained by correct application of analytical protocols, can provide robust insight to stratigraphy and sediment characteristics that are often not observed by, for example, visual core logging, grain size analysis, and geophysical logging. We present examples

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Proctor, Georgio, Hanrui Wang, Steven Larson, et al. Rapid screening for uranium in soils using field portable x-ray fluorescence spectrometer : a comparative study. Engineer Research and Development Center (U.S.), 2020. http://dx.doi.org/10.21079/11681/37175.

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Knight, R. D., B. A. Kjarsgaard, D. A. J. Stepner, and H. A. J. Russell. An analytical protocol for determining the elemental chemistry of Quaternary sediments using a portable X-ray fluorescence spectrometer. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2020. http://dx.doi.org/10.4095/321095.

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Portable x-ray fluorescence spectrometer. Innovative technology summary report. Office of Scientific and Technical Information (OSTI), 1998. http://dx.doi.org/10.2172/335207.

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