Search Results - "Appoloni, C.R."
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Study of ceramics from Brazilian slave quarters of the XVIII and XIX centuries by EDXRF and multivariate analysis
Published in Applied radiation and isotopes (01-01-2023)Get full text
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Study of archaeological ceramics from the north coast of Peru by EDXRF and exploratory multivariate analysis
Published in Applied radiation and isotopes (01-12-2024)“…This article presents the first results for elemental composition of 193 fragments ceramic from four sites located in Ventarrón-Collud archaeological complex,…”
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3
Portable XRF and principal component analysis for bill characterization in forensic science
Published in Applied radiation and isotopes (01-02-2014)“…Several modern techniques have been applied to prevent counterfeiting of money bills. The objective of this study was to demonstrate the potential of Portable…”
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Non-Destructive and portable analyses helping the study and conservation of a Saraceni copper plate painting in the São Paulo museum of art
Published in Microchemical journal (01-06-2020)“…•Scientific methodology and interdisciplinary were successfully applied in a conservation project.•New information about Carlo Saraceni's panting technique and…”
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A low-cost portable system for elemental mapping by XRF aiming in situ analyses
Published in Applied radiation and isotopes (01-10-2019)“…This work presents the development of a portable system that allows 2D elemental mapping of large areas (maximum of 35.0 × 35.0 cm2) by XRF. A measuring head,…”
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Moisture profile measurements of concrete samples in vertical water flow by gamma ray transmission method
Published in Radiation physics and chemistry (Oxford, England : 1993) (01-06-2001)“…Samples of concrete for popular habitation (0.1×0.03×0.1 m) and cellular concrete (0.1×0.05×0.1 m) were submitted to water vertical ascending infiltration. The…”
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Reference Raman Spectral Database of Commercial Pesticides
Published in Journal of applied spectroscopy (01-03-2019)“…Among several techniques used to study pesticides, Raman spectroscopy stands out for providing fast and reliable results. The objective of this work is to…”
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Inspection of reinforced concrete samples by Compton backscattering technique
Published in Radiation physics and chemistry (Oxford, England : 1993) (01-02-2014)“…Reinforced concrete structures require frequent monitoring to ensure the concrete quality during its service life and for evaluation of in situ existing…”
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X-ray microtomography study of a sandstone reservoir rock
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (21-09-2007)“…This paper presents the pore space characterization of a sandstone reservoir rock carried out with a microfocus X-ray computed tomography (μ-CT). The resulting…”
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10
Pigments analysis and gold layer thickness evaluation of polychromy on wood objects by PXRF
Published in Applied radiation and isotopes (01-07-2014)“…The X-ray fluorescence technique by energy dispersion (EDXRF), being a multi elemental and non-destructive technique, has been widely used in the analysis of…”
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11
Titanium dioxide determination in sunscreen by energy dispersive X-ray fluorescence methodology
Published in Analytica chimica acta (21-04-2008)“…Nowadays there are many sun-protection cosmetics incorporating chemical and/or physical UV filters as active ingredients and there are no official methods to…”
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12
Evaluation of the veracity of one work by the artist Di Cavalcanti through non-destructive techniques: XRF, imaging and brush stroke analysis
Published in Radiation physics and chemistry (Oxford, England : 1993) (01-02-2014)“…This paper presents systematic studies and analysis that contributed to the identification of the forgery of a work by the artist Emiliano Augusto Cavalcanti…”
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Radioactive trace measurements of some exported foods from the South of Brazil
Published in Journal of food composition and analysis (01-11-2007)“…Investigation of radioactive traces in foods produced and exported mainly in Paraná State, Brazil, was carried out by gamma-ray spectrometry, a non-destructive…”
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14
Factorial design for Fe, Cu, Zn, Se and Pb preconcentration optimization with APDC and analysis with a portable X-ray fluorescence system
Published in Talanta (Oxford) (15-08-2007)“…Preconcentration of heavy metals in water with ammonium pyrrolydine dithiocarbamate (APDC) is a common practice in analytical chemistry. A literature review on…”
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15
Quantification of metals in river water using a portable EDXRFsystem
Published in Applied radiation and isotopes (01-02-2011)“…This work identified, quantified, and presents results for metals in water using a portable energy dispersive X-ray fluorescence (EDXRF) system. It was…”
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16
Study of the pigments elementary chemical composition of a painting in process of attribution to Gainsborough employing a portable X-rays fluorescence system
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (21-09-2007)“…The investigated painting, named as “The woodman” by its owners, is in process of authenticity verification as a Thomas Gainsborough (XVIII century) painting…”
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A preliminary survey of soil erosion in a small basin in the Paraná State by using 137Cs methodology
Published in Radiation physics and chemistry (Oxford, England : 1993) (01-06-2001)“…The 137Cs methodology was used in a small basin in Parana State, Brazil for a preliminary verification of the soil erosion quantification. Six transects at the…”
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18
Self-absorption correction for gamma spectrometry of powdered milk samples using Marinelli beaker
Published in Applied radiation and isotopes (01-11-2001)“…Self-absorption was measured for the activity calculation of the 1460.8 and 2614.47keV lines of the 40K and the 208Tl, respectively, in powdered milk samples…”
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Radiation of powdered milk produced at Londrina, PR, Brazil
Published in Radiation physics and chemistry (Oxford, England : 1993) (01-06-2001)“…This work deals with the measurement of radioactive activities in powdered milk, with high resolution gamma-ray spectrometry, using a HPGe detector…”
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Measurement of amorphous materials porosity by gamma-ray transmission methodology
Published in Radiation physics and chemistry (Oxford, England : 1993) (01-06-2001)Get full text
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