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k 0-INAA of biological matrices at IPEN neutron activation analysis laboratory, São Paulo, using the k0_IAEA software
This study presents the results obtained in the application of the k 0-standardization method at the Neutron Activation Analysis Laboratory at IPEN (LAN-IPEN), for biological sample analysis, by u...
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Article
The 2012 recommended k 0 database
Many overview papers have been published with recommended nuclear data for use in the k 0 method of NAA and made available in scientific journals or in the form of a downloadable database. In Sept...
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Article
Comparison of relative INAA and k 0-INAA using soil and sediment reference materials
The objective of this work was to compare the results obtained by the relative INAA and k 0-INAA methods for the same input parameters (sample mass, nuclear data, net peak area for the same gamma ...
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Article
Assessment of the main natural radionuclides, minor and trace elements in soils and sediments of the Shu valley (near the border of Kazakhstan and Kyrgyzstan)
New data on the concentrations of the main gamma-emitting radionuclides, minor and trace elements, and isotopes of uranium (with Ra-226 as a daughter product of U-238) and thorium in soils and sediments of the...
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Article
Micro-PIXE characterization of reference samples intended for QA/QC of k0 NAA
Cellulose cylinders and circular filter papers spiked with known amounts of standard element solutions were prepared for studying some aspects of assessing measurement uncertainty of NAA and the elemental dist...
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Article
Validation of the k0_IAEA software using SMELS material at CDTN/CNEN, Brazil
The Laboratory for Neutron Activation Analysis at CDTN/CNEN, Brazil, acquired the k0_IAEA software package during the Workshop on Nuclear Data for Activation Analysis, 2005, held at the Abdus Salam Internation...
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Article
Determination of major and trace elements in iron reference materials using k0-NAA
Major and trace element contents in iron ore reference materials were investigated using k 0-instrumental neutron activation analysis (k 0-INAA). To avoid iron inte...
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Article
Iron Quadrangle, Brazil: Elemental concentration determined by k0-instrumental neutron activation analysis Part II: Kale samples
The objective of this study was to evaluate the influence of mining activity on elemental concentrations in kale grown around a mining area. Two sites studied are in the Iron Qu...
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Article
Iron Quadrangle, Brazil: Elemental concentration determined by k0-instrumental neutron activation analysis Part I: Soil samples
The Iron Quadrangle, Minas Gerais, Brazil, is rich in mineral occurrences and is considered one of the richest mineral-bearing regions in the world. Most investigations in this region have dealt with the deter...
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Article
Determination of total mercury in environmental and biological samples using k0-INAA, RNAA and CVAAS/AFS techniques: Advantages and disadvantages
The accuracy and precision of the results obtained for total mercury in various environmental and biological samples and certified reference materials (CRMs) by various analytical methods, including k ...
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Article
Effects of the neutron spectrum on the neutron activation analysis constants for 94Zr and 96Zr
Department of Environmental Sciences, Jožef Stefan Institute
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Article
The use of k0-INAA for determination of surface contamination of some aquatic plants by trace elements
Adsorption of fine suspended material on the surface of aquatic plants may lead to great problems in the interpretation of results for their trace element composition, since it is quite impossible to clean the...
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Article
k0-NAA quality assessment by analysis of different certified reference materials using the KAYZERO/SOLCOI software
A suite of natural matrix reference materials (RMs) were used to assess the quality of analytical results obtained by k 0-instrumental neutron activation analysis (k 0-INAA) at the Jožef Stefan Institute (IJS). F...
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Article
Characterization of the neutron flux gradients in typical irradiation channels of a TRIGA Mark II reactor
The neutron distribution in a defined volume (gradient) for different matrices (air, water, cellulose, biological material and silicon dioxide) in two typical irradiation channels (pneumatic tube (PT) and IC40...
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Article
Verification of Monte Carlo calculations of the neutron flux in typical irradiation channels of the TRIGA reactor, Ljubljana
An experimental verification of Monte Carlo neutron flux calculations in typical irradiation channels in the TRIGA Mark II reactor at the Jožef Stefan Institute is presented. It was found that the flux, as wel...
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Article
Determination of major and trace elements in some minerals by k0-instrumental neutron activation analysis
Intézet neve
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Article
Numerical Stability Problems in the K0-Standardization Method for the Case of Short Irradiation and Counting Times
The k 0-standardization method of neutron activation analysis (NAA) is very sensitive to the irradiation and counting time during measurement of the induced radionuclide by γ-spectrometry on the HP Ge detector. I...
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Article
The installation of KAYZERO-assisted NAA for use in industry and environmental sanitation in three Central European countries: Plans and achievements of a COPERNICUS project
At the “Special Sessionk 0” of the MTAA-8 (Vienna, 1991), and later on at the “Intemationalk 0 Users Workshop-Gent” (1992), progress was reported with respect to the development and use of computer codes in order...
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Article
Atmospheric heavy metal pollution in Slovenia derived from results for epiphytic lichens
In 1992, a monitoring survey has been started on the national scale in Slovenia using the epiphytic lichen Hypogymnia physodes (L.) Nyl. The primary aim has been to analyse lichens using the k0-based INAA method ...
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Article
Trace elements in the water cycle of the Šalek valley, Slovenia, using INAA
Three watersheds were studied by sampling bulk precipitation deposition, seepage water at 50 cm soil depth and spring water. As the main analytical method for determination of trace elements and heavy metals i...