Measurement Uncertainty In Chemical Analysis

Author : Paul De Bièvre,Helmut Günzler
Publisher : Springer Science & Business Media
Page : 294 pages
File Size : 47,6 Mb
Release : 2013-06-29
Category : Science
ISBN : 9783662051733

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Measurement Uncertainty in Chemical Analysis by Paul De Bièvre,Helmut Günzler Pdf

It is now becoming recognized in the measurement community that it is as important to communicate the uncertainty related to a specific measurement as it is to report the measurement itself. Without knowing the uncertainty, it is impossible for the users of the result to know what confidence can be placed in it; it is also impossible to assess the comparability of different measurements of the same parameter. This volume collects 20 outstanding papers on the topic, mostly published from 1999-2002 in the journal "Accreditation and Quality Assurance." They provide the rationale for why it is important to evaluate and report the uncertainty of a result in a consistent manner. They also describe the concept of uncertainty, the methodology for evaluating uncertainty, and the advantages of using suitable reference materials. Finally, the benefits to both the analytical laboratory and the user of the results are considered.

Author : Nineta Hrastelj,Ricardo Bettencourt da Silva
Publisher : Springer
Page : 129 pages
File Size : 46,9 Mb
Release : 2019-08-13
Category : Science
ISBN : 9783030203474

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Traceability, Validation and Measurement Uncertainty in Chemistry: Vol. 3 by Nineta Hrastelj,Ricardo Bettencourt da Silva Pdf

This book presents worked examples of five analytical procedures. These practical examples address traceability, validation and measurement uncertainty aspects in a systematic and consistent way, and cover applications in the analysis of water, food, as well as ores and minerals. This concept is based on the experiences of the TrainMiCc program, in which more than 9000 laboratory professionals all over Europe have participated.

Author : Shri Krishna Kimothi
Publisher : Quality Press
Page : 398 pages
File Size : 45,6 Mb
Release : 2001-11-01
Category : Business & Economics
ISBN : 9781636941813

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The Uncertainty of Measurements by Shri Krishna Kimothi Pdf

The uncertainty of measurement results is drawing attention of managers, metrologists and customers. The accuracy of measurements affects all of us in trade, commerce, safety, health care environmental protection and more. The quality of these measurements are regulated by a variety of government agencies. Measurement also plays an important role in manufacturing and service organizations. Use this book to learn more about metrology and the need for reliable measurements. You can also learn about measurement system and quality of measurement systems, objectives and methods. Statistical techniques in metrology are also explained. Examples of measurement data and random variables, probability density functions, sampling distribution, statistical estimation degrees of freedom and regression are included. An entire chapter is devoted to measurement errors. The book goes in-depth into explaining national and international measurement systems and standards, and includes a complete chapter on calibration and measurement trace ability. Measurement Uncertainty will show how to evaluate various uncertainties in measurements using several approaches including international consensus. Calibration laboratories can look specifically at the chapter on that profession to guide them in their measurement improvements. Kimothi also looks at specific industries and their measurement capabilities and includes examples of R&R studies. A great resource for the CQE, CQT, CCT, CSSBB certification exams!

Author : Paul De Bièvre,Helmut Günzler
Publisher : Springer Science & Business Media
Page : 318 pages
File Size : 45,8 Mb
Release : 2005-01-12
Category : Science
ISBN : 3540439897

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Traceability in Chemical Measurement by Paul De Bièvre,Helmut Günzler Pdf

Metrological traceability of chemical measurement results means the establishment of a relation to metrological stated references through an unbroken chain of comparisons. This volume collects 56 outstanding papers on the topic, mostly published in the period 2000-2003 in the journal "Accreditation and Quality Assurance". They provide the latest understanding, and possibly the rationalenbsp;why it is important to integrate the concept of metrological traceability including suitable measurement standards such as certified reference materials, into the standard measurement procedures of every analytical laboratory. In addition, this anthology considers the benefits to both the analytical laboratory and the user of the measurement results.

Author : Eurachem/CITAC Working Group,S. L. R. Ellison,M. Rosslein,Alexander Williams
Publisher : Unknown
Page : 120 pages
File Size : 46,7 Mb
Release : 2000-01-01
Category : Chemistry, Analytic
ISBN : 0948926155

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Quantifying Uncertainty in Analytical Measurement by Eurachem/CITAC Working Group,S. L. R. Ellison,M. Rosslein,Alexander Williams Pdf

Author : Karel Eckschlager
Publisher : Unknown
Page : 164 pages
File Size : 40,7 Mb
Release : 1969
Category : Analytical chemistry
ISBN : UVA:X001384897

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Errors, Measurement and Results in Chemical Analysis by Karel Eckschlager Pdf

Author : Paul De Bièvre,Helmut Günzler
Publisher : Springer Science & Business Media
Page : 190 pages
File Size : 50,9 Mb
Release : 2005-01-12
Category : Science
ISBN : 3540207880

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Validation in Chemical Measurement by Paul De Bièvre,Helmut Günzler Pdf

The validation of analytical methods is based on the characterisation of a measurement procedure (selectivity, sensitivity, repeatability, reproducibility). This volume collects 31 outstanding papers on the topic, mostly published in the period 2000-2003 in the journal "Accreditation and Quality Assurance". They provide the latest understanding, and possibly the rationale why it is important to integrate the concept of validation into the standard procedures of every analytical laboratory. In addition, this anthology considers the benefits to both: the analytical laboratory and the user of the measurement results.

Author : John Keenan Taylor
Publisher : Unknown
Page : 282 pages
File Size : 45,5 Mb
Release : 1934
Category : Chemical laboratories
ISBN : UOM:39015013848042

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Quality Assurance of Chemical Measurements by John Keenan Taylor Pdf

Author : Rouvim Kadis
Publisher : Unknown
Page : 112 pages
File Size : 45,6 Mb
Release : 2008
Category : Electronic
ISBN : 9949119049

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Evaluation of measurement uncertainty in analytical chemistry : related concepts and some points of misinterpretation by Rouvim Kadis Pdf

Author : Elizabeth Prichard
Publisher : Royal Society of Chemistry
Page : 86 pages
File Size : 45,6 Mb
Release : 2007-10-31
Category : Science
ISBN : 9781847559289

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Analytical Measurement Terminology by Elizabeth Prichard Pdf

The variety of complex terms used in the Quality Assurance aspect of analytical measurement can be the cause of considerable confusion. This unique handbook explains the most widely-used terminology in language that is readily understood, and attempts to place each term in context. Concepts are described in a way that is useful to all practitioners, particularly those concerned with quality assurance, validation and reliability of analytical measurements. Explanations of terms are always in line with the "official definition", often developed by international committees. Adopting a thematic approach, Analytical Measurement Terminology is divided into six main parts. The first four parts address the logical progression of an analytical measurement, from obtaining a sample, through method and materials, to reporting the result. The two remaining parts include a variety of terms encountered in quality systems and documentation, along with definitions of "mathematical" terms likely to be encountered by the analyst in their everyday work. The index provides easy access to both the definitions and the accompanying examples. With its straightforward descriptions and many examples, this handbook, produced as part of the VAM (Valid Analytical Measurement) programme, will provide valuable assistance for a wide variety of new and experienced practitioners, as well as for teachers and lecturers.

Author : John K. Taylor
Publisher : CRC Press
Page : 354 pages
File Size : 49,6 Mb
Release : 1987-08-02
Category : Science
ISBN : 0873710975

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Quality Assurance of Chemical Measurements by John K. Taylor Pdf

This definitive new book should appeal to everyone who produces, uses, or evaluates scientific data. Ensures accuracy and reliability. Dr. Taylor's book provides guidance for the development and implementation of a credible quality assurance program, plus it also provides chemists and clinical chemists, medical and chemical researchers, and all scientists and managers the ideal means to ensure accurate and reliable work. Chapters are presented in a logical progression, starting with the concept of quality assurance, principles of good measurement, principles of quality assurance, and evaluation of measurement quality. Each chapter has a degree of independence so that it may be consulted separately from the others.

Author : Bernd Neidhart,Wolfhard Wegscheider
Publisher : Springer Science & Business Media
Page : 178 pages
File Size : 44,6 Mb
Release : 2012-12-06
Category : Science
ISBN : 9783642566042

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Quality in Chemical Measurements by Bernd Neidhart,Wolfhard Wegscheider Pdf

This reference is designed for training, teaching, and continuing studies in the field of quality assurance in chemical measurement. The cross-platform CD-ROM accompanying the book contains materials from 15 experienced lecturers with more than 300 graphics and text overheads, included as ready-to-use Powerpoint documents. The material covered will be useful to students in analytical chemistry as well as professionals in industry and service labs.

Author : Roger Wood,Harriet Wallin,Anders Nilsson
Publisher : Royal Society of Chemistry
Page : 326 pages
File Size : 53,9 Mb
Release : 2007-10-31
Category : Technology & Engineering
ISBN : 9781847551788

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Quality in the Food Analysis Laboratory by Roger Wood,Harriet Wallin,Anders Nilsson Pdf

Fit-for-purpose is a phrase familiar to all users of analytical data, who need to be assured that data provided by laboratories is both appropriate and of the required quality. Quality in the Food Analysis Laboratory surveys the procedures that a food analysis laboratory must consider to meet such requirements. The need to introduce quality assurance, the different quality models that are available and the legislative requirements are considered. Specific aspects of laboratory practice and particular areas of accreditation which may cause problems for analytical laboratories are also discussed. Covering for the first time those areas of direct importance to food analysis laboratories, this unique book will serve as an aid to those laboratories when introducing new measures and justifying those chosen.

Author : K. Eckschlager
Publisher : Unknown
Page : 155 pages
File Size : 55,6 Mb
Release : 1961
Category : Chemistry, Analytic
ISBN : LCCN:69019846

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ErrorsMeasurement and Results in Chemical Analysis by K. Eckschlager Pdf

Author : D. Brynn Hibbert
Publisher : Oxford University Press
Page : 320 pages
File Size : 55,7 Mb
Release : 2007-03-29
Category : Science
ISBN : 0198036728

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Quality Assurance in the Analytical Chemistry Laboratory by D. Brynn Hibbert Pdf

Analytical chemical results touch everyones lives can we eat the food? do I have a disease? did the defendant leave his DNA at the crime scene? should I invest in that gold mine? When a chemist measures something how do we know that the result is appropriate? What is fit for purpose in the context of analytical chemistry? Many manufacturing and service companies have embraced traditional statistical approaches to quality assurance, and these have been adopted by analytical chemistry laboratories. However the right chemical answer is never known, so there is not a direct parallel with the manufacture of ball bearings which can be measured and assessed. The customer of the analytical services relies on the quality assurance and quality control procedures adopted by the laboratory. It is the totality of the QA effort, perhaps first brought together in this text, that gives the customer confidence in the result. QA in the Analytical Chemistry Laboratory takes the reader through all aspects of QA, from the statistical basics and quality control tools to becoming accredited to international standards. The latest understanding of concepts such as measurement uncertainty and metrological traceability are explained for a working chemist or her client. How to design experiments to optimize an analytical process is included, together with the necessary statistics to analyze the results. All numerical manipulation and examples are given as Microsoft Excel spreadsheets that can be implemented on any personal computer. Different kinds of interlaboratory studies are explained, and how a laboratory is judged in proficiency testing schemes is described. Accreditation to ISO 17025 or OECD GLP is nearly obligatory for laboratories of any pretension to quality. Here the reader will find an introduction to the requirements and philosophy of accreditation. Whether completing a degree course in chemistry or working in a busy analytical laboratory, this book is a single source for an introduction into quality assurance.