ARCHAEOLOGICAL POTTERY FRAGMENTS ANALYSIS FROM SAMBAQUI DO BACANGA (MA-BRAZIL) WITH A PORTABLE EDXRF SYSTEM
|
|
- Claud Jordan
- 6 years ago
- Views:
Transcription
1 2009 International Nuclear Atlantic Conference - INAC 2009 Rio de Janeiro,RJ, Brazil, September27 to October 2, 2009 ASSOCIAÇÃO BRASILEIRA DE ENERGIA NUCLEAR - ABEN ISBN: ARCHAEOLOGICAL POTTERY FRAGMENTS ANALYSIS FROM SAMBAQUI DO BACANGA (MA-BRAZIL) WITH A PORTABLE EDXRF SYSTEM Renato A. Ikeoka 1, Carlos R. Appoloni 1, Paulo S. Parreira 1, Fábio Lopes 1, Arkley M. Bandeira 2 1 Departamento de Física/CCE Universidade Estadual de Londrina Cx.Postal 6001 CEP Londrina/PR Brazil renatoikeoka@yahoo.com.br 2 Museu de Arqueologia e Etnologia Universidade de São Paulo Av. Prof. Almeida Prado, 1466 CEP Cidade Universitária - São Paulo/SP Brazil; arkleybandeira@hotmail.com ABSTRACT Sambaqui do Bacanga archaeological site is located in the Island of São Luis - Maranhão Brazil, in the region bathed by the Bacanga River. A stratigraphic collection of 68 pottery fragments was collected during the years 2005 and 2006 to perform a qualitative analysis of the chemical elements employing a Portable System of Energy Dispersive X-ray Fluorescence (PXRF). The elements K, Ca, Ti, Mn, Fe, Zn, Br, Rb, Sr, Y, Zr and Pb were identified in the different fragments and only Fe, Ca, Sr, Zr, Mn, Ti and Zn were common elements for all of them, indicating that these elements are present in the raw material used in the manufacture of the fragments. Only one fragment presented remains of painting. A larger concentration of Fe was observed in this region compared to other areas. This indicates that a material with iron oxide was used to make the painting. The elements Fe, Sr, Mn, Ti and Zn are present, systematically, with larger intensities on concave and convex sides in relation to the ceramic paste for 43 among the 68 analyzed fragments, indicating a different surface treatment that leads to an enrichment of those elements. Cluster analysis was performed with the pottery fragments at three levels. The fragments were grouped in three different clusters, except for two fragments from the 132 cm level, which grouped with the fragments from cm level. This result indicates three different sources of clay for the studied pottery fragments. Keywords: PXRF, Portable X-ray Fluorescence, Archaeological Pottery, Archaeometry. 1. INTRODUCTION In the State of Maranhão - Brasil, where there is not enough archeological information available to constitute a minimal picture of the pre-colonial occupations in the territory, a research project is being developed for the first time. Its name is Sambaqui do Bacanga at Ilha de São Luís-Maranhão: a study on the ceramic occurrence in the archeological records [1]. In the archeological excavations in Sambaqui do Bacanga, several types of material vestiges have been evidenced, like fire remains, human skeletons, remains of animal bones, fish remains, shells, mollusk shells and ceramic objects. Ancient civilizations that inhabited that
2 territory were characterized by being fishing populations - catchers hunters and ceramists, who settled down in the region around 6,600 years ago and remained inhabiting the place till the year 900 of our era [1]. Amidst all such material culture, ceramics are highlighted as objects of highly archeological value because they are extremely resistant to weather and environment conditions [2]. The chemical characterization of such fragments may provide important information about the origin of the raw material, the quality of the coating, indexes of the occurrence of paintings, etc., which help the archeological studies about the peoples in that region. Thus, the Energy Dispersive X-Ray Fluorescence technique (EDXRF) was used in the identification of the chemical elements that constitute the ceramics. As it is a multi-elementary, simultaneous and non-destructive technique, the EDXRF has been gaining a great deal of importance in archeological studies [3-7]. The pottery fragments were analyzed by using a Portable System of Energy Dispersive X-Ray Fluorescence (PXRF) with the aims of verifying the existence of painting vestiges in the fragments, as well as if there is some kind of treatment in the concave and convex sides in relation to the ceramic paste of the fragments and finally, using grouping analysis to check the similarity among the chemical elements identified in the fragments not only with the same stratigraphic level but also with different levels Description of the Samples 2. MATERIALS AND METHODS The pottery fragments were collected in an archeological site in Sambaqui do Bacanga, located in the Bacanga National Park in Ilha de São Luis MA. A stratified collection of 68 pottery fragments was conducted. The provenance of such fragments are the following sectors: Exploratory Trench, Excavation Area 1, Profile 1 and Profile 2, as the following tables 1 to 4 show. Table 1. Information about fragments in sector Exploratory Trench. Sample Quantity of fragments Stratigraphic levels (cm) Sample Surface Sample Surface Sample Surface Sample Sample Sample Sample Sample Sample Sample Total 34 07
3 Table 2. Information about fragments in the sector Excavation Area 1. Sample Quantity of fragments Stratigraphic level (cm) Sample Surface Sample Surface Sample Surface Total Table 3. Information about fragments in sector Profile 1. Sample Quantity of fragments Stratigraphic levels (cm) Sample Sample Sample Sample Sample Sample Sample Total Table 4. Information about fragments in sector Profile 2. Sample Quantity of fragments Stratigraphic levels (cm) Sample Sample Total Table 5 shows the description of the sectors excavated in Sambaqui do Bacanga. Table 5. Sectors excavated in Sambaqui do Bacanga. Excavation sector Elevation variation (m) Excavation area (m 2 ) Excavation area Exploratory Trench Profile ,45 Profile
4 2.2. EDXRF Portable System The EDXRF (PXRF-LFNA-02) portable system utilized for irradiation/detection of the fragments consists of a 4W X-ray mini-tube with Ag anode and 50 µm Ag filter (Moxtek, Inc.); a Si-PIN detector with pre-amplifier XR-100CR (AMPTEK Inc.), 221 ev FWHM for the 5.9 kev Mn line, 25 μm Be window and thermoelectric cooling system by Peltier Effect; PX2CR conjugated high tension source module and amplifier (AMPTEK Inc.); multichannel analyzer model MCA8000A (AMPTEK Inc.); an excitation-detection system positioning module with freedom degrees XYZ and rotation in relation to the analyzed sample; and a notebook for data acquisition and storage. Fig. 1 shows the system used to carry out the measurements. Measurement conditions were 28 kv and 5 μa in the X-ray mini-tube and acquisition time was 500 seconds. Figure 1. X-ray Fluorescence Portable System: (1) Sample carrier, (2) X-ray Mini-tube, (3) X-ray non-cryogenic detector, (4) Standard electronic equipment and (5) Notebook. In average, nine measurements were made for each fragment, three of which in the concave face, three in the convex face and three in the ceramic paste. The analysis of the spectra was conducted by using the software Quantitative X-Ray Analysis (WinQXAS), distributed by the International Atomic Energy Agency (IAEA). For the analyses of the data obtained with WinQXAS, only the intensities of the chemical elements whose net areas were threefold higher their standard deviation were considered. 3. RESULTS AND DISCUSSION It was possible to observe the elements K, Ca, Ti, Mn, Fe, Zn, Br, Rb, Sr, Y, Zr and Pb in the different fragments analyzed. The statistical deviations of those determinations were, in
5 general, 1% for Fe, 5% for Ca, from 5 to 10% for Sr, Zr, Mn, Ti and Zn, and from 20 to 25% for K, Br, Rb, Y and Pb. The elements Ca, Ti, Mn, Fe, Zn, Sr and Zr appeared in the ceramic paste of all the 68 analyzed fragments, indicating that such elements are present in the constitution of the clay used in the manufacture of these ceramics. The elements Fe, Sr, Mn, Ti, and Zn presented systematically higher intensities in the faces in relation to the ceramic paste in 43 out of the 68 analyzed fragments, indicating that there is a treatment in the faces, with enriching for those elements, which is the engobe. This behavior is shown in Figures 2 to 5, which refer to element Fe in the Exploratory Trench, with exception of sample 20; Ti in Excavation area 1, with exception of sample 10.1; Zn of Profile 1, with exception of samples 21 and 22; and Sr of Profile 2, respectively. By analyzing sample 3, which is the only fragment where painting vestiges can be visualized in both sides, it is possible to notice that the concave and convex faces have more Fe concentration in these regions with painting vestiges in comparison with the regions of the same faces without painting. This behavior is shown in Figure 2, in which, on the left, there is a rectangle separating sample 3 from the other samples in this sector. The measurements carried out in the region without painting are in the spots on the left, and the measurements carried out in the region with painting are in the spots on the right Sam.3 Sam.20 Fe Sam.7 Convex Paste Concave Intensity (cps) Sam.9 Sam.15 Sam.12 Sam.17 Sam.5 Sam.18 Sam Sample Figure 2. Graph of Fe intensity for the samples in the Exploratory Trench, in which the samples are separated in different stratigraphies and the number of fragments is in brackets: surface {samples 3(1), 9(2) e 20(11)}, 125 cm {sample 15(2)}, 128 cm {samples 5(1) and 12(3)},135cm {sample 17(3)}, 138 cm {sample 18(2)}, 144 cm {sample 7(8)} and 150 cm {sample 1(1)}.
6 Sam. 2 Ti Sam Sam Sam Convex Paste Concave Sam Intensity (cps) Sam Sample Figure 3. Graph of Ti intensity for the samples in the sector Excavation area 1, in which all the pottery fragments are from the surface. 12 Sam. 22 Zn Convex Paste Concave 10 Sam. 21 Sam Sam. 14 Intensity (cps) 6 4 Sam. 4 Sam. 6 Sam Sample Figure 4. Graph of Zn intensity for samples from Profile 1, in which the samples are separated in different stratigraphies and the number of fragments is in brackets: sample 4(1) 0 to 8 cm, sample 14(2) 10 to 20 cm, sample 6(1) 80 cm, sample 22(4) 113 cm, sample 21(7) 125 cm, sample 19(6) 132 cm and sample 8(3) 140 cm.
7 55 50 Sr Sam Convex Paste Concave Intensity (cps) Sam Sam Sam Sample Figure 5. Graph of Sr intensity for samples in Profile 2, in which the samples are separated in different stratigraphies and the number of fragments is in brackets: sample 13(2) 30 to 35 cm and sample 16(2) 40 cm. By applying cluster analysis in the study of the pottery fragments of stratigraphies 10 to 20 cm, 132 cm to 144 cm, it was possible to observe the formation of three distinct groups for the fragments of the three stratigraphies, apart from two fragments of the 132 cm stratigraphy, which stayed in the same group of the fragments of stratigraphy 10 to 20 cm, as seen in Figure 6. This result indicates that the analyzed fragments were manufactured with clay from three different origins. Figure 6. Dendogram with pottery fragments excavated in three stratigraphies, 10 to 20 cm (represented as 20 cm), 132 cm and 144 cm, the last algarism from left to right in the sample code represents the sample number.
8 4. CONCLUSIONS Utilizing an EDXRF portable system to analyze pottery fragments collected in an archeological site in Sambaqui do Bacanga, it was possible to observe that the basic elements in the constitution of the clay used to manufacture these fragments were Fe, Ca, Sr, Zr, Mn, Ti and Zn. It could also be noticed that a material with high iron concentration was possibly used in the painting to give the red colour, which was found only in one of the samples. Out of the 68 pottery fragments analyzed, 43 presented a different treatment on the faces in relation to the ceramic paste. It means that on these 43 fragments it was applied engobe, which is a kind of clay enriched with the elements Fe, Sr, Mn, Ti, and Zn. This more refined material is characterized by forming a concentration increase of such elements in the faces when the ceramics are burnt in the manufacturing process. From the cluster analysis of the pottery fragments of three stratigraphies, the formation of three groups was observed. This result indicates that the fragments analyzed were manufactured with clay from three different origins. ACKNOWLEDGMENTS To Fábio Luiz Melquiades and Wislley Dueli da Silva for their collaboration in the sample measurements, and to CNPq for the scholarship awarded during the MA Course. REFERENCES 1. Bandeira, A.M., Ocupações humanas pré-históricas no litoral Maranhense: um estudo arqueológico sobre o sambaqui do Bacanga na Ilha de São Luís- Maranhão, Masters Dissertation of Archaeology, Universidade de São Paulo, São Paulo Brazil (2008). 2. Latini, R.M.; Bellido, A.V.; Vasconcellos, M.B.A.; Dias, O.F., Classificação de cerâmicas arqueológicas da Bacia Amazônica, Quim. Nova, 24, pp (2001). 3. Appoloni, C.R.; Quiñones, F.R.E.; Aragão P.H.A.; Santos, A.O.; Silva, L.M.; Barbieri, P.F.; Nascimento Filho, V.F.; Coimbra M.M., "EDXRF study of Tupi-Guarani archaeological ceramics, Radiation Physics and Chemistry, 61, pp (2001). 4. Appoloni, C.R.; Parreira, P.S.; Souza, E.; Quacchia, J.C.A.; Nascimento Filho, V.F.; Gigante, G.E.; Cesareo, R.; Cunha e Silva, R.M., Estudo de cerâmicas arqueológicas do Paraná por técnicas nucleares não destrutivas, Rev. Do Museu de Arqueologia de Etnologia, São Paulo, 2, pp (1997). 5. Parreira, P.S., Metodologia de ED-XRF e aplicações com um sistema portátil, Technical Publication PT 01/07, Universidade Estadual de Londrina, Londrina Brazil (2007). 6. Silva, F.A.; Appoloni, C.R.; Quiñones, F.R.E.; Santos, A.O.; Silva, L.M.; Barbieri, P.F.; Nascimento Filho, V.F., A Arqueometria e a Análise de Artefatos Cerâmicos: um estudo de fragmentos cerâmicos etnográficos e arqueológicos por fluorescência de Raios X (EDXRF) e transmissão Gama, Revista de Arqueologia, 17, pp (2004). 7. Silva, F.A.; Nascimento Filho, V.F.; Appoloni, C.R.; Perez, C.A., Fluorescência de Raios X aplicada a amostras arqueológicas, Revista do Museu de Arqueologia e Etnologia MAE, USP, 15/16, pp (2005/2006).
DEVELOPMENT OF A METHODOLOGY FOR LOW-ENERGY X-RAY ABSORPTION CORRECTION IN BIOLOGICAL SAMPLES USING RADIATION SCATTERING TECHNIQUES
2009 International Nuclear Atlantic Conference - INAC 2009 Rio de Janeiro,RJ, Brazil, September27 to October 2, 2009 ASSOCIAÇÃO BRASILEIRA DE ENERGIA NUCLEAR - ABEN ISBN: 978-85-99141-03-8 DEVELOPMENT
More informationAplicação da Tomografia Computadorizada 3D com Raios X Microfoco no exame de Peças Arqueológicas
Nuclear Instrumentation Laboratory Aplicação da Tomografia Computadorizada 3D com Raios X Microfoco no exame de Peças Arqueológicas R.T.Lopes, S.M.F. Mendonça de Souza, L.F. Oliveira and E.F.O. de Jesus
More informationCALCULATION OF THE DETECTOR-CONTRIBUTION TO ZIRCONIUM PEAKS IN EDXRF SPECTRA OBTAINED WITH A SI-DRIFT DETECTOR
CALCULATION OF THE DETECTOR-CONTRIBUTION TO ZIRCONIUM PEAKS IN EDXRF SPECTRA OBTAINED WITH A SI-DRIFT DETECTOR A. C. Neiva 1, J. N. Dron 1, L. B. Lopes 1 1 Escola Politécnica da Universidade de São Paulo
More informationChemical characterization of clay SRM by X-ray fluorescence results comparison from different laboratories
Chemical characterization of clay SRM by X-ray fluorescence results comparison from different laboratories Caracterização química de SRM de argilas por fluorescência de raios X comparação de resultados
More informationOverview of X-Ray Fluorescence Analysis
Overview of X-Ray Fluorescence Analysis AMPTEK, INC., Bedford, MA 01730 Ph: +1 781 275 2242 Fax: +1 781 275 3470 sales@amptek.com 1 What is X-Ray Fluorescence (XRF)? A physical process: Emission of characteristic
More informationLAB REPORT ON XRF OF POTTERY SAMPLES By BIJOY KRISHNA HALDER Mohammad Arif Ishtiaque Shuvo Jie Hong
LAB REPORT ON XRF OF POTTERY SAMPLES By BIJOY KRISHNA HALDER Mohammad Arif Ishtiaque Shuvo Jie Hong Introduction: X-ray fluorescence (XRF) spectrometer is an x-ray instrument used for routine, relatively
More informationAltitude influence of elemental distribution in grass from Rila mountain. Dr. E. Nikolova, Dr. A. Artinyan, S. Nikolova INRNE - BAS XRF Laboratory
Altitude influence of elemental distribution in grass from Rila mountain Dr. E. Nikolova, Dr. A. Artinyan, S. Nikolova INRNE - BAS XRF Laboratory I. Introduction The application of modern instrumental
More informationMT Electron microscopy Scanning electron microscopy and electron probe microanalysis
MT-0.6026 Electron microscopy Scanning electron microscopy and electron probe microanalysis Eero Haimi Research Manager Outline 1. Introduction Basics of scanning electron microscopy (SEM) and electron
More informationPoS(X LASNPA)076. Titanium extraction from waste NORM. B.R. Pereira, M.A.G. Silveira, G. Fontana, P.R.S. Santos. M.A.Rizzutto, N. H.
B.R. Pereira, M.A.G. Silveira, G. Fontana, P.R.S. Santos Centro Universitário da FEI São Bernardo do Campo, S.P., Brazil marcilei@fei.edu.br M.A.Rizzutto, N. H. Medina Instituto de Física da USP São Paulo,
More informationBLOOD BIOCHEMISTRY EVALUATION IN HORSES HYPERIMMUNE SERA PRODUCTION
2007 International Nuclear Atlantic Conference - INAC 2007 Santos, SP, Brazil, September 30 to October 5, 2007 ASSOCIAÇÃO BRASILEIRA DE ENERGIA NUCLEAR - ABEN ISBN: 978-85-99141-02-1 BLOOD BIOCHEMISTRY
More informationX-Ray Fluorescence and Natural History
X-Ray Fluorescence and Natural History How XRF Helps XRF can be used both quantitatively (homogenous samples) and quantitatively (heterogenous samples).! Trace elements in a fossil can help identify source,
More informationBENEFITS OF IMPROVED RESOLUTION FOR EDXRF
135 Abstract BENEFITS OF IMPROVED RESOLUTION FOR EDXRF R. Redus 1, T. Pantazis 1, J. Pantazis 1, A. Huber 1, B. Cross 2 1 Amptek, Inc., 14 DeAngelo Dr, Bedford MA 01730, 781-275-2242, www.amptek.com 2
More informationFLUORINE IN WATER AND TEETH MEASURED WITH PIGE
2005 International Nuclear Atlantic Conference - INAC 2005 Santos, SP, Brazil, August 28 to September 2, 2005 ASSOCIAÇÃO BRASILEIRA DE ENERGIA NUCLEAR - ABEN ISBN: 85-99141-01-5 FLUORINE IN WATER AND TEETH
More informationFINDING A NEEDLE IN A HAYSTACK: PERFORMANCE EVALUATION OF PORTABLE XRF INSTRUMENTS FROM THREE MANUFACTURERS
FINDING A NEEDLE IN A HAYSTACK: PERFORMANCE EVALUATION OF PORTABLE XRF INSTRUMENTS FROM THREE MANUFACTURERS Brand N. W 1 and Brand CJ 1 1 Portable XRF Services Pty Ltd. Suite 1, 5 Colin Street, West Perth,
More informationData report for elemental analysis of IMPROVE samples collected during April, May, June 2009 UC Davis Submitted June 18, 2010 SUMMARY
Data report for elemental analysis of IMPROVE samples collected during April, May, June 2009 UC Davis Submitted June 8, 200 SUMMARY This report summarizes the quality assurance performed during elemental
More informationQuantitative XRF Analysis. algorithms and their practical use
Joint ICTP-IAEA School on Novel Experimental Methodologies for Synchrotron Radiation Applications in Nano-science and Environmental Monitoring Quantitative XRF Analysis algorithms and their practical use
More informationActivities at the Laboratory of the Nuclear Engineering Department of the Polytechnic University of Valencia
7 th Workshop on European Collaboration for Higher Education and Research in Nuclear Engineering & Radiological Protection Bruxelles, Belgique 30 May - 1 June 2011 Activities at the Laboratory of the Nuclear
More informationTHERMOLUMINESCENCE PROPERTIES OF OLIVINE
2011 International Nuclear Atlantic Conference - INAC 2011 Belo Horizonte,MG, Brazil, October 24-28, 2011 ASSOCIAÇÃO BRASILEIRA DE ENERGIA NUCLEAR - ABEN ISBN: 978-85-99141-04-5 THERMOLUMINESCENCE PROPERTIES
More informationPOSITIONING OF STEEL RODS INCLUSIONS IN REINFORCED CONCRETE SIMULANT BY COMPTON BACKSCATTERING
2011 International Nuclear Atlantic Conference - INAC 2011 Belo Horizonte,MG, Brazil, October 24-28, 2011 ASSOCIAÇÃO BRASILEIRA DE ENERGIA NUCLEAR - ABEN ISBN: 978-85-99141-04-5 POSITIONING OF STEEL RODS
More informationEFFICIENCY SIMULATION OF A HPGE DETECTOR FOR THE ENVIRONMENTAL RADIOACTIVITY LABORATORY/CDTN USING A MCNP-GAMMAVISION METHOD
2011 International Nuclear Atlantic Conference - INAC 2011 Belo Horizonte,MG, Brazil, October 24-28, 2011 ASSOCIAÇÃO BRASILEIRA DE ENERGIA NUCLEAR - ABEN ISBN: 978-85-99141-04-5 EFFICIENCY SIMULATION OF
More informationMAXIMIZING SIGNAL-TO-NOISE RATIO (SNR) IN 3-D LARGE BANDGAP SEMICONDUCTOR PIXELATED DETECTORS IN OPTIMUM AND NON-OPTIMAL FILTERING CONDITIONS
9 International Nuclear Atlantic Conference - INAC 9 Rio de Janeiro,RJ, Brazil, September7 to October, 9 ASSOCIAÇÃO BRASILEIRA DE ENERGIA NUCLEAR - ABEN ISBN: 978-85-994-3-8 MAXIMIZING SIGNAL-TO-NOISE
More informationTECHNIQUE OF MEASURING THE FIRST IONIZATION COEFFICIENT IN GASES
2011 International Nuclear Atlantic Conference - INAC 2011 Belo Horizonte,MG, Brazil, October 24-28, 2011 ASSOCIAÇÃO BRASILEIRA DE ENERGIA NUCLEAR - ABEN ISBN: 978-85-99141-04-5 TECHNIQUE OF MEASURING
More informationGUAMA RIVER AND GUAJARA BAY, BELEM - AMAZON REGION
2007 International Nuclear Atlantic Conference - INAC 2007 Santos, SP, Brazil, September 30 to October 5, 2007 ASSOCIAÇÃO BRASILEIRA DE ENERGIA NUCLEAR - ABEN ISBN: 978-85-99141-02-1 210 Pb GEOCHRONOLOGY
More informationA TEMPERATURE DEPENDENT ENDF/B-VI.8 ACE LIBRARY FOR UO2, THO2, ZIRC4, SS AISI-348, H2O, B4C AND AG-IN-CD
2009 International Nuclear Atlantic Conference - INAC 2009 Rio de Janeiro,RJ, Brazil, September27 to October 2, 2009 ASSOCIAÇÃO BRASILEIRA DE ENERGIA NUCLEAR - ABEN ISBN: 978-85-99141-03-8 A TEMPERATURE
More informationPRELIMINARY CONCEPT OF A ZERO POWER NUCLEAR REACTOR CORE
2011 International Nuclear Atlantic Conference - INAC 2011 Belo Horizonte,MG, Brazil, October 24-28, 2011 ASSOCIAÇÃO BRASILEIRA DE ENERGIA NUCLEAR - ABEN ISBN: 978-85-99141-04-5 PRELIMINARY CONCEPT OF
More informationSTUDY ON TRACE ELEMENT DETERMINATION IN HUMAN HEAD HAIR USING NEUTRON ACTIVATION ANALYSIS
2007 International Nuclear Atlantic Conference - INAC 2007 Santos, SP, Brazil, September 30 to October 5, 2007 ASSOCIAÇÃO BRASILEIRA DE ENERGIA NUCLEAR - ABEN ISBN: 978-85-99141-02-1 STUDY ON TRACE ELEMENT
More informationPortable type TXRF analyzer: Ourstex 200TX
Excerpted from Adv. X-Ray. Chem. Anal., Japan: 42, pp. 115-123 (2011) H. Nagai, Y. Nakajima, S. Kunimura, J. Kawai Improvement in Sensitivity and Quantification by Using a Portable Total Reflection X-Ray
More information2.3 Particle Induced X-Ray Emission PIXE
2.3 Particle Induced X-Ray Emission PIXE The previous section concentrated on X-ray fluorescence. This section discusses a different X-ray production technique that can lead to the development of 2-D/3-D
More informationSTUDY OF ELECTRON BEAM IRRADIATION EFFECTS ON MORPHOLOGIC PROPERTIES OF THE PET/PP/PE/EVA POLYMERIC BLEND
2009 International Nuclear Atlantic Conference - INAC 2009 Rio de Janeiro,RJ, Brazil, September27 to October 2, 2009 ASSOCIAÇÃO BRASILEIRA DE ENERGIA NUCLEAR - ABEN ISBN: 978-85-99141-03-8 STUDY OF ELECTRON
More informationGEMSTONE DEDICATED GAMMA IRRADIATOR DEVELOPMENT
2007 International Nuclear Atlantic Conference - INAC 2007 Santos, SP, Brazil, September 30 to October 5, 2007 ASSOCIAÇÃO BRASILEIRA DE ENERGIA NUCLEAR - ABEN ISBN: 978-85-99141-02-1 GEMSTONE DEDICATED
More informationMaterial Analysis using X-Ray Fluorescence (XRFA)
Material Analysis using X-Ray Fluorescence (XRFA) Material Analysis (XRFA) The excitation of characteristic X-rays in a sample of material is the preferred method of material analysis. In this experiment
More informationWorldwide Open Proficiency Test for X Ray Fluorescence Laboratories PTXRFIAEA13. Determination of Major, Minor and Trace Elements in a Clay Sample
Worldwide Open Proficiency Test for X Ray Fluorescence Laboratories PTXRFIAEA13 Determination of Major, Minor and Trace Elements in a Clay Sample IAEA Laboratories, Seibersdorf November 2017 CONTENTS
More informationDIFFERENCES IN TRACE ELEMENT CONCENTRATIONS IN WHOLE BLOOD OF SMALL SIZED ANIMALS USING ANAA
2005 International Nuclear Atlantic Conference - INAC 2005 Santos, SP, Brazil, August 28 to September 2, 2005 ASSOCIAÇÃO BRASILEIRA DE ENERGIA NUCLEAR - ABEN ISBN: 85-99141-01-5 DIFFERENCES IN TRACE ELEMENT
More informationUncertainty Measurement Evaluation of WDXRF and EDXRF Techniques for the Si and U total Determination in U 3 Si 2 used as Nuclear Fuel Material
2009 International Nuclear Atlantic Conference - INAC 2009 Rio de Janeiro,RJ, Brazil, September27 to October 2, 2009 ASSOCIAÇÃO BRASILEIRA DE ENERGIA NUCLEAR - ABEN ISBN: 978-85-99141-03-8 Uncertainty
More informationPERFLUORINATED POLYMER GRAFTING: INFLUENCE OF PRE- IRRADIATION CONDITIONS
2009 International Nuclear Atlantic Conference - INAC 2009 Rio de Janeiro,RJ, Brazil, September27 to October 2, 2009 ASSOCIAÇÃO BRASILEIRA DE ENERGIA NUCLEAR - ABEN ISBN: 978-85-99141-03-8 PERFLUORINATED
More informationX-ray fluorescence analysis - calibration of the X-ray energy detector
X-ray fluorescence analysis - TEP Related topics Bremsstrahlung, characteristic X-radiation, energy levels, fluorescence radiation, conduction processes in semiconductors, doping of semiconductors, pin-diodes,
More informationCall notice for first line
The Thematic Research Project " Collect, identify, describe, exhibit. The curatorial cycle and the production of ", developed at the University of São Paulo (members: Museu de Arte Contemporânea [Museum
More informationTHERMAL STRATIFICATION MONITORING OF ANGRA 2 STEAM GENERATOR MAIN FEEDWATER NOZZLES
2009 International Nuclear Atlantic Conference - INAC 2009 Rio de Janeiro,RJ, Brazil, September27 to October 2, 2009 ASSOCIAÇÃO BRASILEIRA DE ENERGIA NUCLEAR - ABEN ISBN: 978-85-99141-03-8 THERMAL STRATIFICATION
More informationLithogeochemistry Using a Portable X-Ray Fluorescence (pxrf) Spectrometer and Preliminary Results From the Eagle Ford Shale
Lithogeochemistry Using a Portable X-Ray Fluorescence (pxrf) Spectrometer and Preliminary Results From the Eagle Ford Shale Dr. Mark T. Ford and John M. Dabney EFCREO Student Driven Research Symposium
More informationTHE PBIL ALGORITHM APPLIED TO A NUCLEAR REACTOR DESIGN OPTIMIZATION
2007 International Nuclear Atlantic Conference - INAC 2007 Santos, SP, Brazil, September 30 to October 5, 2007 ASSOCIAÇÃO BRASILEIRA DE ENERGIA NUCLEAR - ABEN ISBN: 978-85-99141-02-1 THE PBIL ALGORITHM
More informationX-Ray Photoelectron Spectroscopy (XPS) Prof. Paul K. Chu
X-Ray Photoelectron Spectroscopy (XPS) Prof. Paul K. Chu X-ray Photoelectron Spectroscopy Introduction Qualitative analysis Quantitative analysis Charging compensation Small area analysis and XPS imaging
More informationA SEDIMENT ANALYSIS OF THE THREE DOG SITE (SS21), SAN SALVADOR ISLAND, COMMONWEALTH OF THE BAHAMAS. Joshua J. O Brien
A SEDIMENT ANALYSIS OF THE THREE DOG SITE (SS21), SAN SALVADOR ISLAND, COMMONWEALTH OF THE BAHAMAS Joshua J. O Brien http://www.luislondon.co.uk/travel/bahamas%20map.gif Background Earliest known archaeological
More informationMicroFEx. The New External Microbeam Facility. P.A. Rodrigues, L.C. Alves, M. Vilarigues and R.C. da Silva
MicroFEx The New External Microbeam Facility P.A. Rodrigues, L.C. Alves, M. Vilarigues and R.C. da Silva Our heritage Jar, Roman glass,, II d.c.- III d.c. Museu Nacional de Arqueologia Custódia de Belém,
More informationXRF books: Analytical Chemistry, Kellner/Mermet/Otto/etc. 3 rd year XRF Spectroscopy Dr. Alan Ryder (R222, Physical Chemistry) 2 lectures:
1 3 rd year XRF Spectroscopy Dr. Alan Ryder (R222, Physical Chemistry) 2 lectures: XRF spectroscopy 1 exam question. Notes on: www.nuigalway.ie/nanoscale/3rdspectroscopy.html XRF books: Analytical Chemistry,
More informationOES - Optical Emission Spectrometer 2000
OES - Optical Emission Spectrometer 2000 OES-2000 is used to detect the presence of trace metals in an analyte. The analyte sample is introduced into the OES-2000 as an aerosol that is carried into the
More informationMethodology for Formulation of Masses for Ceramic Coating Using the Loss Function. J. Silveira 1, J. P. Leite 2
Methodology for Formulation of Masses for Ceramic Coating Using the Loss Function J. Silveira 1, J. P. Leite 2 1,2 Departamento de Tecnologia Mecânica, Centro de Tecnologia Laboratório de Materiais e Produtos
More informationMS482 Materials Characterization ( 재료분석 ) Lecture Note 4: XRF
2016 Fall Semester MS482 Materials Characterization ( 재료분석 ) Lecture Note 4: XRF Byungha Shin Dept. of MSE, KAIST 1 Course Information Syllabus 1. Overview of various characterization techniques (1 lecture)
More informationS1 Appendix: XRF calibration details
S1 Appendix: XRF calibration details Two analytical methods were used in this study Wavelength Dispersive X-ray Fluorescence (WDXRF) and Energy Dispersive X-ray Fluorescence (EDXRF). The former is more
More informationThe Best Gamma-Ray Detector
/sec The Best Gamma-Ray Detector What is the best detector for gamma-ray spectroscopy? Amptek, Inc. provides signal processing electronics which can be used with a variety of detectors (some available
More informationCHARACTERIZATION OF Pu-CONTAINING PARTICLES BY X-RAY MICROFLUORESCENCE
Copyright(c)JCPDS-International Centre for Diffraction Data 2000,Advances in X-ray Analysis,Vol.43 534 CHARACTERIZATION OF Pu-CONTAINING PARTICLES BY X-RAY MICROFLUORESCENCE Marco Mattiuzzi, Andrzej Markowicz,
More informationAbsorbed Gamma Ray Doses due to Natural Radionuclides in Building Materials
Absorbed Gamma Ray Doses due to Natural Radionuclides in Building Materials Vitor A.P. Aguiar a, Nilberto H. Medina a, Ramon H. Moreira b, Marcilei A.G. Silveira b and José R.B. Oliveira a a Instituto
More informationMulti-element process analyzer
Multi-element process analyzer Elemental analysis by X-ray fluorescence Compact multi-element process analyzer for liquid streams or f ixed position web applications Featuring advanced third generation
More information100% ionic compounds do not exist but predominantly ionic compounds are formed when metals combine with non-metals.
2.21 Ionic Bonding 100% ionic compounds do not exist but predominantly ionic compounds are formed when metals combine with non-metals. Forming ions Metal atoms lose electrons to form +ve ions. Non-metal
More informationData report for elemental analysis of IMPROVE samples collected during April, May, June 2006 UC Davis - Submitted May 14, 2008 SUMMARY
Data report for elemental analysis of IMPROVE samples collected during April, May, June 2006 UC Davis - Submitted May 4, 2008 SUMMARY This report summarizes the quality assurance performed during elemental
More informationMaking Lemonade: Using Graffiti to date Petroglyphs
Making Lemonade: Using Graffiti to date Petroglyphs J. A. McNeil Physics Department Colorado School of Mines I. II. III. IV. V. Desert Varnish and XRF Description of the experiment Data calibration and
More information7) Applications of Nuclear Radiation in Science and Technique (1) Analytical applications (Radiometric titration)
7) Applications of Nuclear Radiation in Science and Technique (1) (Radiometric titration) The radioactive material is indicator Precipitation reactions Complex formation reactions Principle of a precipitation
More informationMECHANICAL AND THERMAL PROPERTIES OF COMMERCIAL MULTILAYER PET/PP FILM IRRADIATED WITH ELECTRON-BEAM
2009 International Nuclear Atlantic Conference - INAC 2009 Rio de Janeiro,RJ, Brazil, September27 to October 2, 2009 ASSOCIAÇÃO BRASILEIRA DE ENERGIA NUCLEAR - ABEN ISBN: 978-85-99141-03-8 MECHANICAL AND
More informationPERFORMANCE OF A ROOM TEMPERATURE GAS PROPORTIONAL SCINTILLATION COUNTER IN X-RAY ANALYSIS OF METALLIC ALLOYS EXCITED WITH ALPHA PARTICLES
249 PERFORMANCE OF A ROOM TEMPERATURE GAS PROPORTIONAL SCINTILLATION COUNTER IN X-RAY ANALYSIS OF METALLIC ALLOYS EXCITED WITH ALPHA PARTICLES F. I. G. M. Borges, S. J. C. do Carmo, T. H. V. T. Dias, F.
More informationData report for elemental analysis of IMPROVE samples collected during OCTOBER, NOVEMBER, DECEMBER 2005 UC Davis SUMMARY
Data report for elemental analysis of IMPROVE samples collected during OCTOBER, NOVEMBER, DECEMBER 2005 UC Davis SUMMARY This report summarizes the quality assurance performed during elemental analysis
More informationReactor Physics Calculations for a Sub critical Core of the IPEN-MB-01 driven by an external neutron source
2007 International Nuclear Atlantic Conference - INAC 2007 Santos, SP, Brazil, September 30 to October 5, 2007 ASSOCIAÇÃO BRASILEIRA DE ENERGIA NUCLEAR - ABEN ISBN: 978-85-99141-02-1 Reactor Physics Calculations
More informationINTERNATIONAL JOURNAL OF SCIENTIFIC & TECHNOLOGY RESEARCH VOLUME 3, ISSUE 2, FEBRUARY 2014 ISSN
Implication Of X-Ray Path, Region Of Interest, Tube Current And Voltage In Calibration Of X- Ray Fluorescence Instrument: A Case Study Of X-Supreme 8000 Amuda, A.K., Okoh, S., Ekwuribe, S., Bashir, M.
More informationNeutron diffraction patterns measured with a high-resolution powder diffractometer installed on a low-flux reactor
Neutron diffraction patterns measured with a high-resolution powder diffractometer installed on a low-flux reactor V. L. Mazzocchi 1, C. B. R. Parente 1, J. Mestnik-Filho 1 and Y. P. Mascarenhas 2 1 Instituto
More informationDiffraction: spreading of waves around obstacles (EM waves, matter, or sound) Interference: the interaction of waves
Diffraction & Interference Diffraction: spreading of waves around obstacles (EM waves, matter, or sound) Interference: the interaction of waves Diffraction in Nature What is Interference? The resultant
More informationEDS User School. Principles of Electron Beam Microanalysis
EDS User School Principles of Electron Beam Microanalysis Outline 1.) Beam-specimen interactions 2.) EDS spectra: Origin of Bremsstrahlung and characteristic peaks 3.) Moseley s law 4.) Characteristic
More information(São Paulo, Brazil) Instituto de Pesquisas Energéticas e Nucleares - IPEN/CNEN-SP, Caixa Postal 11049, Pinheiros, São Paulo, Brasil 2
Journal of Radioanalytical and Nuclear Chemistry, Vol. 249, No. 1 (2001) 257 261 210Pb and 137 Cs geochronologies in the Cananeia-Iguape Estuary (São Paulo, Brazil) R. T. Saito, 1 R. C. L. Figueira, 2
More informationDetermination of the concentration of natural and artificial radionuclides in the soil of the Campus of the Federal University of Sergipe
SCIENTIA PLENA VOL. 7, NUM. 1 2011 www.scientiaplena.org.br Determination of the concentration of natural and artificial radionuclides in the soil of the Campus of the Federal University of Sergipe L.
More informationAdvances in Field-Portable XRF
Advances in Field-Portable XRF Volker Thomsen and Debbie Schatzlein Field-portable x-ray fluorescence (XRF) allows us to take the laboratory to the sample. The latest generation of such handheld x-ray
More informationTreatment of effluents from petroleum production by electron beam irradiation
Radiation Physics and Chemistry 71 (2004) 443 447 Treatment of effluents from petroleum production by electron beam irradiation Celina Lopes Duarte a, *, Lucia Limoeiro Geraldo b, Oswaldo de Aquino P.
More informationMICRO-TOMOGRAPHY AND X-RAY ANALYSIS OF GEOLOGICAL SAMPLES
THE PUBLISHING HOUSE PROCEEDINGS OF THE ROMANIAN ACADEMY, Series A, OF THE ROMANIAN ACADEMY Volume 18, Number 1/2017, pp. 42 49 MICRO-TOMOGRAPHY AND X-RAY ANALYSIS OF GEOLOGICAL SAMPLES Ion GRUIA University
More informationAnalysis of Cadmium (Cd) in Plastic Using X-ray Fluorescence Spectroscopy
Analysis of Cadmium (Cd) in Plastic Using X-ray Fluorescence Spectroscopy Hiroshi Onodera Application & Research Center, JEOL Ltd. Introduction um, PBB and PBDE) are subject to usage restrictions in Europe.
More informationEfficiency and Attenuation in CdTe Detectors
Efficiency and Attenuation in CdTe Detectors Amptek Inc. Bob Redus, May 5, 00 Amptek s XR-00T-CdTe is a high performance x-ray and gamma ray detector system. Like Amptek s other XR00 products, a detector
More informationINVESTIGATIONS OF THE FRICKE GEL (FXG) DOSIMETER DEVELOPED AT IPEN IRRADIATED WITH 60 Co GAMMA RAYS
2007 International Nuclear Atlantic Conference - INAC 2007 Santos, SP, Brazil, September 30 to October 5, 2007 ASSOCIAÇÃO BRASILEIRA DE ENERGIA NUCLEAR - ABEN ISBN: 978-85-99141-02-1 INVESTIGATIONS OF
More informationTRACE ELEMENT ANALYSIS USING A BENCHTOP TXRF- SPECTROMETER
Copyright JCPDS - International Centre for Diffraction Data 2005, Advances in X-ray Analysis, Volume 48. 236 ABSTRACT TRACE ELEMENT ANALYSIS USING A BENCHTOP TXRF- SPECTROMETER Hagen Stosnach Röntec GmbH,
More informationCrystal, Molecular, and Electronic Structure of 1-Acetylindoline and Derivatives
Structural Chemistry, ol. 9, No. 5, 1998 Crystal, Molecular, and Electronic Structure of 1-Acetylindoline and Derivatives M. M. Torres Moreno,1 R. H. A. Santos,2 M. T. P. Gambardella,2 A. J. Camargo,2
More informationSummary of test results for Daya Bay rock samples. by Patrick Dobson Celia Tiemi Onishi Seiji Nakagawa
Summary of test results for Daya Bay rock samples by Patrick Dobson Celia Tiemi Onishi Seiji Nakagawa October 2004 Summary A series of analytical tests were conducted on a suite of granitic rock samples
More informationBEAM HARDENING CORRECTION ALGORYTHM IN MICROTOMOGRAPHY IMAGES
2009 International Nuclear Atlantic Conference - INAC 2009 Rio de Janeiro,RJ, Brazil, September27 to October 2, 2009 ASSOCIAÇÃO BRASILEIRA DE ENERGIA NUCLEAR - ABEN ISBN: 978-85-99141-03-8 BEAM HARDENING
More informationLatest advances in identifying mineral composition variation by the M4 TORNADO AMICS
Latest advances in identifying mineral composition variation by the M4 TORNADO AMICS Bruker Nano Analytics, Berlin, Germany Webinar, June 15, 2017 Innovation with Integrity Presenters Samuel Scheller Sr.
More informationAuger Electron Spectroscopy (AES)
1. Introduction Auger Electron Spectroscopy (AES) Silvia Natividad, Gabriel Gonzalez and Arena Holguin Auger Electron Spectroscopy (Auger spectroscopy or AES) was developed in the late 1960's, deriving
More informationSilicon Drift Detectors: Understanding the Advantages for EDS Microanalysis. Patrick Camus, PhD Applications Scientist March 18, 2010
Silicon Drift Detectors: Understanding the Advantages for EDS Microanalysis Patrick Camus, PhD Applications Scientist March 18, 2010 EDS Detector Requirements Detect whole energy range of x-rays 50 ev
More informationIdentiFINDER Digital Hand Held Spectrometer & Dose Rate Meter for Portable Applications
fire IdentiFINDER Digital Hand Held Spectrometer & The world s smallest spectrometer and dose rate meter designed for portable applications. safety security identifinder - CH (yellow) CZT and neutron detector
More informationPulse Height Analysis System (PHA) designed for W7-X Presented by Monika KUBKOWSKA
Pulse Height Analysis System (PHA) designed for W7-X Presented by Monika KUBKOWSKA This scientific work has been partly supported by Polish Ministry of Science and Higher Education within the framework
More informationmaterials and their properties
materials and their properties macroscopic properties phase state strength / stiffness electrical conductivity chemical properties color / transparence spectroscopical properties surface properties density
More informationMAGNETIC SEPARATION AS A METHOD TO ASSIST MINERALOGICAL CHARACTERIZATION OF ROCKS BY X-RAY DIFFRACTION
2013 International Nuclear Atlantic Conference - INAC 2013 Recife, PE, Brazil, November 24-29, 2013 ASSOCIAÇÃO BRASILEIRA DE ENERGIA NUCLEAR - ABEN ISBN: 978-85-99141-05-2 MAGNETIC SEPARATION AS A METHOD
More information1 of 5 14/10/ :21
X-ray absorption s, characteristic X-ray lines... 4.2.1 Home About Table of Contents Advanced Search Copyright Feedback Privacy You are here: Chapter: 4 Atomic and nuclear physics Section: 4.2 Absorption
More informationDetailed Sedimentology and Inorganic Geochemistry of the Dolgeville Formation and Utica Group of the Central Mohawk Valley, NY
Detailed Sedimentology and Inorganic Geochemistry of the Dolgeville Formation and Utica Group of the Central Mohawk Valley, NY Daniel Miserendino Jeffrey T. Pietras Introduction and Purpose Drill cores
More information1 of :32
Home Page Products Price List Links & PDFs DISCONTINUED: SEE GAMMA-RAD Gamma Ray & X-Ray Spectroscopy System Hand-Held, High Efficiency NaI(Tl) Detector The GAMMA-8000 is a powerful, portable instrument
More informationHYDROGEOCHEMICAL AND ISOTOPIC STUDY OF GROUNDWATER APPLIED IN ENVIRONMENTAL REMEDIATION URANIUM MINE OSAMU UTSUMI/INB
HYDROGEOCHEMICAL AND ISOTOPIC STUDY OF GROUNDWATER APPLIED IN ENVIRONMENTAL REMEDIATION URANIUM MINE OSAMU UTSUMI/INB Heber Luiz Caponi Alberti ab, Sueli Yoshinaga Pereira b, Ricardo Perobelli Borba b,
More informationApplication of Optical Fiber in Radiation Detection Systems. Francisco Antônio Brandão Junior, Antonella Lombardi Costa* and Arno Heeren de Oliveira
J. Chem. Chem. Eng. 10 (2016) 120-127 doi: 10.17265/1934-7375/2016.03.002 D DAVID PUBLISHING Application of Optical Fiber in Radiation Detection Systems Francisco Antônio Brandão Junior, Antonella Lombardi
More informationCHEM*3440. X-Ray Energies. Bremsstrahlung Radiation. X-ray Line Spectra. Chemical Instrumentation. X-Ray Spectroscopy. Topic 13
X-Ray Energies very short wavelength radiation 0.1Å to 10 nm (100 Å) CHEM*3440 Chemical Instrumentation Topic 13 X-Ray Spectroscopy Visible - Ultraviolet (UV) - Vacuum UV (VUV) - Extreme UV (XUV) - Soft
More informationCOMPARATIVE STUDY OF PIGE, PIXE AND NAA ANALYTICAL TECHNIQUES FOR THE DETERMINATION OF MINOR ELEMENTS IN STEELS
COMPARATIVE STUDY OF PIGE, PIXE AND NAA ANALYTICAL TECHNIQUES FOR THE DETERMINATION OF MINOR ELEMENTS IN STEELS ANTOANETA ENE 1, I. V. POPESCU 2, T. BÃDICÃ 3, C. BEªLIU 4 1 Department of Physics, Faculty
More informationS2 PICOFOX. Innovation with Integrity. Spectrometry Solutions TXRF
S2 PICOFOX Spectrometry Solutions Innovation with Integrity TXRF S2 PICOFOX True Trace Analysis with XRF for the First Time! You need to know the concentration of trace elements in environmental samples?
More informationSurface Analysis. Dr. Lynn Fuller Dr. Fuller s Webpage:
ROCHESTER INSTITUTE OF TECHNOLOGY MICROELECTRONIC ENGINEERING Surface Analysis Dr. Lynn Fuller Dr. Fuller s Webpage: http://people.rit.edu/lffeee 82 Lomb Memorial Drive Rochester, NY 14623-5604 Tel (585)
More informationUnit 1 Part 2 Atomic Structure and The Periodic Table Introduction to the Periodic Table UNIT 1 ATOMIC STRUCTURE AND THE PERIODIC TABLE
UNIT 1 ATOMIC STRUCTURE AND THE PERIODIC TABLE PART 2 INTRODUCTION TO THE PERIODIC TABLE Contents 1. The Structure of the Periodic Table 2. Trends in the Periodic Table Key words: group, period, block,
More informationTrace element quality control analysis of environmental samples at the Neutron Activation Analysis Laboratory, IPEN, São Paulo, Brazil
Journal of Radioanalytical and Nuclear Chemistry, Vol. 269, No.2 (2006) 383 387 Trace element quality control analysis of environmental samples at the Neutron Activation Analysis Laboratory, IPEN, São
More informationXUV 773: X-Ray Fluorescence Analysis of Gemstones
Fischer Application report vr118 HELM UT FISCHER GMBH + CO. KG Institut für Elektronik und Messtechnik Industriestrasse 21-7169 Sindelfingen, Germany Tel.: (+49) 731 33- - Fax: (+49) 731 33-79 E-Mail:
More informationSemiconductor X-Ray Detectors. Tobias Eggert Ketek GmbH
Semiconductor X-Ray Detectors Tobias Eggert Ketek GmbH Semiconductor X-Ray Detectors Part A Principles of Semiconductor Detectors 1. Basic Principles 2. Typical Applications 3. Planar Technology 4. Read-out
More informationThe Use of Portable X-ray Fluorescence Spectrometry for Analyzing Ancient Ceramics
The Use of Portable X-ray Fluorescence Spectrometry for Analyzing Ancient Ceramics MARY F. OWNBY, DESERT ARCHAEOLOGY, INC. Archaeology has always benefitted from advancements in other scientific fields.
More informationSecondary ion mass spectrometry (SIMS)
Secondary ion mass spectrometry (SIMS) Lasse Vines 1 Secondary ion mass spectrometry O Zn 10000 O 2 Counts/sec 1000 100 Li Na K Cr ZnO 10 ZnO 2 1 0 20 40 60 80 100 Mass (AMU) 10 21 10 20 Si 07 Ge 0.3 Atomic
More informationCROSS SECTION WEIGHTING SPECTRUM FOR FAST REACTOR ANALYSIS
2009 International Nuclear Atlantic Conference - INAC 2009 Rio de Janeiro,RJ, Brazil, September27 to October 2, 2009 ASSOCIAÇÃO BRASILEIRA DE ENERGIA NUCLEAR - ABEN ISBN: 978-85-99141-03-8 CROSS SECTION
More informationTA3 Dosimetry and Instrumentation EVALUATION OF UNCERTAINTIES IN THE CALIBRATION OF RADIATION SURVEY METER POTIENS, MPA 1, SANTOS, GP 1
TA3 Dosimetry and Instrumentation EVALUATION OF UNCERTAINTIES IN THE CALIBRATION OF RADIATION SURVEY METER POTIENS, MPA 1, SANTOS, GP 1 (1) Instituto de Pesquisas Energéticas e Nucelares ABSTRACT In order
More information