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Author : Ulf Nilsson
Publisher :
ISBN 13 :
Total Pages : 126 pages
Book Rating : 4.3/5 (91 download)
Download or read book Quantitative in Vivo Elemental Analysis Using X-ray Fluorescence and Scattering Techniques written by Ulf Nilsson and published by . This book was released on 1994 with total page 126 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Thomas Grönberg
Publisher :
ISBN 13 :
Total Pages : 150 pages
Book Rating : 4.:/5 (37 download)
Download or read book In Vivo X-ray Fluorescence Analysis for Medical Diagnosis written by Thomas Grönberg and published by . This book was released on 1981 with total page 150 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jan Ove Christoffersson
Publisher :
ISBN 13 :
Total Pages : 61 pages
Book Rating : 4.:/5 (185 download)
Download or read book In Vivo Elemental Analysis in Occupational Medicine Using X-ray Fluorescence written by Jan Ove Christoffersson and published by . This book was released on 1986 with total page 61 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Kouichi Tsuji
Publisher : John Wiley & Sons
ISBN 13 : 0470020423
Total Pages : 616 pages
Book Rating : 4.4/5 (7 download)
Download or read book X-Ray Spectrometry written by Kouichi Tsuji and published by John Wiley & Sons. This book was released on 2005-08-19 with total page 616 pages. Available in PDF, EPUB and Kindle. Book excerpt: X-Ray Spectrometry: Recent Technological Advances covers the latest developments and areas of research in the methodological and instrumental aspects of x-ray spectrometry. Includes the most advanced and high-tech aspects of the chemical analysis techniques based on x-rays Introduces new types of X-ray optics and X-ray detectors, covering history, principles, characteristics and future trends Written by internationally recognized scientists, all of whom are eminent specialists in each of the sub-fields Sections include: X-Ray Sources, X-Ray Optics, X-Ray Detectors, Special Configurations, New Computerization Methods, New Applications This valuable book will assist all analytical chemists and other users of x-ray spectrometry to fully exploit the capabilities of this set of powerful analytical tools and to further expand applications in such fields as material and environmental sciences, medicine, toxicology, forensics, archaeometry and many others.
Author : Reinhold Klockenkämper
Publisher : John Wiley & Sons
ISBN 13 : 1118988965
Total Pages : 554 pages
Book Rating : 4.1/5 (189 download)
Download or read book Total-Reflection X-Ray Fluorescence Analysis and Related Methods written by Reinhold Klockenkämper and published by John Wiley & Sons. This book was released on 2014-12-15 with total page 554 pages. Available in PDF, EPUB and Kindle. Book excerpt: Explores the uses of TXRF in micro- and trace analysis, and in surface- and near-surface-layer analysis • Pinpoints new applications of TRXF in different fields of biology, biomonitoring, material and life sciences, medicine, toxicology, forensics, art history, and archaeometry • Updated and detailed sections on sample preparation taking into account nano- and picoliter techniques • Offers helpful tips on performing analyses, including sample preparations, and spectra recording and interpretation • Includes some 700 references for further study
Author : Ron Jenkins
Publisher : CRC Press
ISBN 13 : 1482273381
Total Pages : 502 pages
Book Rating : 4.4/5 (822 download)
Download or read book Quantitative X-Ray Spectrometry written by Ron Jenkins and published by CRC Press. This book was released on 1995-04-26 with total page 502 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work covers important aspects of X-ray spectrometry, from basic principles to the selection of instrument parameters and sample preparation. This edition explicates the use of combined X-ray fluorescence and X-ray diffraction data, and features new applications in environmental studies, forensic science, archeometry and the analysis of metals
Author : Victor F. Hanson
Publisher :
ISBN 13 :
Total Pages : 26 pages
Book Rating : 4.:/5 (355 download)
Download or read book Quantitative Elemental Analysis of Art Objects by Energy-dispersive X-ray Fluorescence Spectroscopy written by Victor F. Hanson and published by . This book was released on 1973 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Eva Margui
Publisher : Momentum Press
ISBN 13 : 1606503936
Total Pages : 149 pages
Book Rating : 4.6/5 (65 download)
Download or read book X-Ray Fluorescence Spectrometry and Related Techniques written by Eva Margui and published by Momentum Press. This book was released on 2013-01-25 with total page 149 pages. Available in PDF, EPUB and Kindle. Book excerpt: X-ray fluorescence spectrometry (XRF) is a well-established analytical technique for qualitative and quantitative elemental analysis of a wide variety of routine quality control and research samples. Among its many desirable features, it delivers true multi-element character analysis, acceptable speed and economy, easy of automation, and the capacity to analyze solid samples. This remarkable contribution to this field provides a comprehensive and up-to-date account of basic principles, recent developments, instrumentation, sample preparation procedures, and applications of XRF analysis. If you are a professional in materials science, analytic chemistry, or physics, you will benefit from not only the review of basics, but also the newly developed technologies with XRF. Those recent technological advances, including the design of low-power micro- focus tubes and novel X-ray optics and detectors, have made it possible to extend XRF to the analysis of low-Z elements and to obtain 2D or 3D information on a micrometer-scale. And, the recent development and commercialization of bench top and portable instrumentation, offering extreme simplicity of operation in a low-cost design, have extended the applications of XRF to many more analytical problems.
Author : David Ochieng Wamwende
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (14 download)
Download or read book Method Development for Elemental Analysis in Foods and Pharmaceutical Products Using X-Ray Fluorescence written by David Ochieng Wamwende and published by . This book was released on 2023 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: General food and pharmaceutical analysis guidelines have been improved by the United States Pharmacopeia (USP) over the years to help in ensuring the quality, safety, and usefulness of products. Atomic Spectroscopy (AAS, AES and AFS) has been used in sample analysis. These techniques have low detection limits, are precise and can provide reliable information. However, they involve complex sample preparation procedures and expensive reagents required for sample preparations and to maintain the instrument. It is important to develop a method that can be used to directly screen the samples during the production process and do not destroy the matrix. XRF is not destructive, fast process that does not involve a complex sample preparation procedure. The sample screen can be returned to the production conveyer, eliminating waste, and saving time. In our work we developed analytical methods for pharmaceutical and food samples. In the method the samples were analyzed directly with their matrix embedded. The results were cleaned of interferences using background interference corrections as well as fundamentals of Compton scattering techniques. Our analytes were Mn, Fe, Co, Ni, Zn and Cr. The detection limits for these analytes were Mn (1 ppm), Fe (1 ppm), Co (1 ppm), Ni (1 ppm), Zn (4 ppm) and Cr (0.05 ppm).
Author : Mary Kate Donais
Publisher : Momentum Press
ISBN 13 : 1944749306
Total Pages : 217 pages
Book Rating : 4.9/5 (447 download)
Download or read book X-Ray Fluorescence Spectrometry and Its Applications to Archaeology written by Mary Kate Donais and published by Momentum Press. This book was released on 2018-05-30 with total page 217 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book serves as a practical guide for applications of X-ray fluorescence spectrometry, a nondestructive elemental analysis technique, to the study and understanding of archaeology. Descriptions of XRF theory and instrumentation and an introduction to field applications and practical aspects of archaeology provide new users to XRF and/or new to archaeology with a solid foundation on which to base further study. Considering recent trends within field archaeology, information specific to portable instrumentation also is provided. Discussions of qualitative and quantitative approaches and applications of statistical methods relate back to types of archaeological questions answerable through XRF analysis. Numerous examples, figures, and spectra from the authors’ field work are provided including chapters specific to pigments, ceramics, glass, construction materials, and metallurgical materials.
Author : Gerhard Schlemmer
Publisher : Walter de Gruyter GmbH & Co KG
ISBN 13 : 3110501082
Total Pages : 414 pages
Book Rating : 4.1/5 (15 download)
Download or read book Elemental Analysis written by Gerhard Schlemmer and published by Walter de Gruyter GmbH & Co KG. This book was released on 2019-08-05 with total page 414 pages. Available in PDF, EPUB and Kindle. Book excerpt: Elemental Analysis is an excellent guide introducing cutting-edge methods for the qualitative and quantitative analysis of elements. Each chapter of the book gives an overview of a certain technique, such as AAS, AFS, ICP-OES, MIP-OES, ICP-MS and XRF. Readers will benefit from a balanced combination of theoretical basics, operational principles of instruments and their practical applications.
Author : Anders Rindby
Publisher :
ISBN 13 :
Total Pages : 68 pages
Book Rating : 4.:/5 ( download)
Download or read book X-ray Spectroscopy with Applications in Trace Element Analysis written by Anders Rindby and published by . This book was released on 1983 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 744 pages
Book Rating : 4.3/5 (91 download)
Download or read book Nuclear Science Abstracts written by and published by . This book was released on 1975 with total page 744 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : L. S. Birks
Publisher :
ISBN 13 :
Total Pages : 52 pages
Book Rating : 4.3/5 (121 download)
Download or read book Development of X-ray Fluorescence Spectroscopy for Elemental Analysis of Particulate Matter in the Atmosphere and in Source Emissions written by L. S. Birks and published by . This book was released on 1972 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jessica Pawly
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (18 download)
Download or read book Elemental Analysis of Dried Blood Spots Using Total Reflection X-ray Fluorescence Spectroscopy written by Jessica Pawly and published by . This book was released on 2018 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: "Introduction: Essential elements are required for the proper functioning of the human body and are critical to growth and development. Dried blood spots (DBS), capillary blood collected on specialized filter paper by pricking an individual's finger or heel, are a minimally invasive and cost-effective alternative to venipuncture for multi-element analysis. Nutritional assessments using DBS can help overcome logistical challenges faced by researchers, particularly in terms of data collection efforts in resource-limited regions and newborn screening programs. Although previous studies have used DBS for elemental measurements, technological and practical hurdles remain, such as detection limits and sample volume requirements. In addition, there is currently no widely accepted standard method of analysis.Objectives: The primary objective of this research was to develop a method for quantifying select essential elements (copper, selenium and zinc) in DBS using Total Reflection X-Ray Fluorescence Spectroscopy (TXRF) and apply this method to a cohort of newborns from the Michigan BioTrust for Health Program. Methods: The study was conducted in two phases. In Phase 1, method development and validation was established using human whole blood standard reference material (SRM) of known elemental concentrations from the Institut National de Santé Publique du Québec (INSPQ; n=7). The selected protocol on 3mm diameter DBS sub-samples was subsequently used in Phase 2 to analyze essential elements in sub-sampled human DBS from a cohort of newborns from the Michigan BioTrust for Health Project (n=675). Three of the SRMs were selected for inter-assay accuracy (n=38 batches) and precision analysis. The generalized extreme studentized deviate (ESD) test was applied to detect outliers in the cohort. Descriptive statistics, accuracy and precision measures were first calculated, followed by Student's t-tests and one-way analysis of variance (ANOVA) to measure inter-assay variation, variation in punch type and storage temperature. All analyses were conducted using JMP®Pro 13.0.0 and Microsoft Excel 15.4.Results: Accuracy was measured by comparing TXRF DBS concentrations to corresponding whole blood SRM concentrations. Accuracy (mean±SD) for triplicate measurements of copper (Cu), selenium (Se), and zinc (Zn) using a 3mm diameter SRM DBS sub-sample were 99.5±3.4%, 100.2±6.9%, 102.6±4.4%, respectively. Accuracy of the selected SRMs (n=3) analyzed in the Michigan BioTrust Cohort for Cu was 107.8 ± 16.3%, 93.7 ± 14.2% for Se, and 109.0 ± 15.7%for Zn. The coefficient of variation, a measure of precision, of the SRMs across all batches was 13.3% for Cu, 17.3% for Se, and 13.7% for Zn. The Michigan BioTrust Cohort population values for Cu, Se, and Zn in the DBS were 1018.1 ± 269.9 mg/L, 241.0 ±58.2 mg/L, and 4250.0 ±1314.9 mg/L, respectively. High concentrations and high variability of Cu, 818.0 ± 1413.9 mg/L, and Zn, 2005.3 ± 1622.2 mg/L, were detected in the blank filter paper and are a barrier to quantitative analysis of DBS. Implications: These results imply that elemental analysis of DBS using TXRF provide a semi-quantitative method for measuring select essential elements in sub-sampled DBS. The values obtained are for Cu and Se are comparable to human adult population reference values whereas the Zn values are lower, reflecting physiologically lower Zn concentrations in newborns. Given present limitations in the quantitative analysis of DBS, this method has the potential to be used as a screening tool in the evaluation of essential elements in nutritional research, overcoming many of the challenges associated with venipuncture and current analytical methods-potentially leading to informed health policies and interventions." --
Author : A. Monroe Snider
Publisher :
ISBN 13 : 9780803188914
Total Pages : 20 pages
Book Rating : 4.1/5 (889 download)
Download or read book X-Ray Analysis written by A. Monroe Snider and published by . This book was released on 2012 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: X-RAY DIFFRACTION (XRD) AND X-RAY FLUOREScence spectrometry (XRFS) are powerful, well-established tools used by analytical chemists in many areas of technology. They have great utility in the coatings industry. In areas where they are applicable, they are frequently the quickest and easiest techniques available. XRD is convenient for the identification of diverse crystalline solids encountered in paint research laboratories and production plants. It is particularly well suited for use in the identification and quantitative analysis of crystalline pigments and extenders, either when they are alone or present in paste or paint. XRFS is useful as a stand-alone technique for elemental analysis and as a complementary tool for use with other analytical techniques. X-ray spectrometers typically can analyze all elements with an atomic number of about 11 (sodium) and higher, but some units can reach as low as atomic number 5 (boron). XRFS can span the concentration range from parts per million to high percentages for most elements in liquid or solid samples. Dedicated XRFS units, much lower in cost than scanning spectrometers, can be set up to detect and quantify one or a few specific elements. Portable XRFS units are available for field investigations. The present section summarizes the principles and methodology of XRD and XRFS.
Author :
Publisher :
ISBN 13 :
Total Pages : 1068 pages
Book Rating : 4.0/5 ( download)
Download or read book Nuclear Science Abstracts written by and published by . This book was released on 1972-04 with total page 1068 pages. Available in PDF, EPUB and Kindle. Book excerpt:
