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Chemometrics

Author: Richard G. Brereton
Publisher: John Wiley & Sons
ISBN: 0470845740
Size: 50.14 MB
Format: PDF, ePub
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This book is aimed at the large number of people who need to use chemometrics but do not wish to understand complex mathematics, therefore it offers a comprehensive examination of the field of chemometrics without overwhelming the reader with complex mathematics. * Includes five chapters that cover the basic principles of chemometrics analysis. * Provides two chapters on the use of Excel and MATLAB for chemometrics analysis. * Contains 70 worked problems so that readers can gain a practical understanding of the use of chemometrics.

Introduction To Multivariate Statistical Analysis In Chemometrics

Author: Kurt Varmuza
Publisher: CRC Press
ISBN: 9781420059496
Size: 79.40 MB
Format: PDF
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Using formal descriptions, graphical illustrations, practical examples, and R software tools, Introduction to Multivariate Statistical Analysis in Chemometrics presents simple yet thorough explanations of the most important multivariate statistical methods for analyzing chemical data. It includes discussions of various statistical methods, such as principal component analysis, regression analysis, classification methods, and clustering. Written by a chemometrician and a statistician, the book reflects the practical approach of chemometrics and the more formally oriented one of statistics. To enable a better understanding of the statistical methods, the authors apply them to real data examples from chemistry. They also examine results of the different methods, comparing traditional approaches with their robust counterparts. In addition, the authors use the freely available R package to implement methods, encouraging readers to go through the examples and adapt the procedures to their own problems. Focusing on the practicality of the methods and the validity of the results, this book offers concise mathematical descriptions of many multivariate methods and employs graphical schemes to visualize key concepts. It effectively imparts a basic understanding of how to apply statistical methods to multivariate scientific data.

Chemometrik

Author: K. Danzer
Publisher: Springer-Verlag
ISBN: 3642565840
Size: 22.67 MB
Format: PDF
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Klaus Danzers Chemometrik - Grundlagen und Anwendungen füllt eine Lücke im deutschsprachigen Lehrbuchmarkt. Es spannt den Bogen von der uni- und multivarianten Statistik bis hin zu Neuronalen Netzen und Genetischen Algorithmen und konzentriert sich auf die Analyse analytisch-chemischer und chemisch-experimenteller Daten. Es bietet Studenten und bereits in der Praxis tätigen Einsteigern die Möglichkeit, sich in die Grundlagen ohne überflüssigen theoretischen Ballast einzuarbeiten und viele existierende oder potentielle Anwendungsfelder kennenzulernen. Dem Fachmann bietet es einen systematischen, alle Schritte des analytischen Prozesses einschliessenden Überblick; auch Versuchsplanung, Optimierung, Signal- und Bildverarbeitung, Qualitätssicherung und Rentabilitätsbetrachtungen werden ausreichend berücksichtigt. Besonderer Wert wurde auf die Anschaulichkeit, die Darstellung der Zusammenhänge zwischen den Methoden und die Praxisrelevanz gelegt.

Practical Data Analysis In Chemistry

Author: Marcel Maeder
Publisher: Elsevier
ISBN: 9780080548838
Size: 34.43 MB
Format: PDF, ePub, Docs
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The majority of modern instruments are computerised and provide incredible amounts of data. Methods that take advantage of the flood of data are now available; importantly they do not emulate 'graph paper analyses' on the computer. Modern computational methods are able to give us insights into data, but analysis or data fitting in chemistry requires the quantitative understanding of chemical processes. The results of this analysis allows the modelling and prediction of processes under new conditions, therefore saving on extensive experimentation. Practical Data Analysis in Chemistry exemplifies every aspect of theory applicable to data analysis using a short program in a Matlab or Excel spreadsheet, enabling the reader to study the programs, play with them and observe what happens. Suitable data are generated for each example in short routines, this ensuring a clear understanding of the data structure. Chapter 2 includes a brief introduction to matrix algebra and its implementation in Matlab and Excel while Chapter 3 covers the theory required for the modelling of chemical processes. This is followed by an introduction to linear and non-linear least-squares fitting, each demonstrated with typical applications. Finally Chapter 5 comprises a collection of several methods for model-free data analyses. * Includes a solid introduction to the simulation of equilibrium processes and the simulation of complex kinetic processes. * Provides examples of routines that are easily adapted to the processes investigated by the reader * 'Model-based' analysis (linear and non-linear regression) and 'model-free' analysis are covered

Handbook Of Water Analysis Third Edition

Author: Leo M.L. Nollet
Publisher: CRC Press
ISBN: 143988966X
Size: 38.69 MB
Format: PDF
View: 1757
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Extensively revised and updated, Handbook of Water Analysis, Third Edition provides current analytical techniques for detecting various compounds in water samples. Maintaining the detailed and accessible style of the previous editions, this third edition demonstrates water sampling and preservation methods by enumerating different ways to measure chemical and radiological characteristics. It gives step-by-step descriptions of separation, residue determination, and clean-up techniques. See What’s New in the Second Edition: Includes five new chapters covering ammonia, nitrates, nitrites, and petroleum hydrocarbons, as well as organoleptical and algal analysis methodology Compares older methods still frequently used with recently developed protocols, and examines future trends Features a new section regarding organoleptical analysis of water acknowledging that ultimately the consumers of drinking water have the final vote over its quality with respect to odor, flavor, and color The book covers the physical, chemical, and other relevant properties of various substances found in water. It then describes the sampling, cleanup, extraction, and derivatization procedures, and concludes with detection methods. Illustrated with procedure flow charts and schematics, the text includes numerous tables categorizing methods according to type of component, origin of the water sample, parameters and procedures used, and application range. With contributions from international experts, the book guides you through the entire scientific investigation starting with a sampling strategy designed to capture the real-world situation as closely as possible, and ending with an adequate chemometrical and statistical treatment of the acquired data. By organizing data into more than 300 tables, graphs, and charts, and supplementing the text with equations and illustrations, the editors distill a wealth of knowledge into a single accessible reference.

Multivariate Datenanalyse

Author: Waltraud Kessler
Publisher: John Wiley & Sons
ISBN: 3527609660
Size: 47.48 MB
Format: PDF, ePub, Mobi
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In vielen Fachgebieten, wie z. B. der Lebensmittelchemie, der pharmazeutischen oder biotechnologischen Industrie fallen immer mehr Daten an, die ausgewertet werden müssen. Klassische Verfahren gelangen hierbei schnell an ihre Grenzen. Die multivariate Datenanalyse beschäftigt sich mit Verfahren, mit denen man aus einer Fülle von Daten - wie z. B. Prozessdaten, Messdaten, Mikroarraydaten, Spektren - die wesentlichen, unabhängigen Informationen herausarbeiten kann. Es eröffnen sich somit ganz neue Möglichkeiten für eine effiziente und gleichzeitig umfangreiche Auswertung. Alle Methoden und Verfahren der multivariaten Datenanalyse werden anhand von praktischen Beispielen mit einer beigefügten Demoversion des Programms "The Unscrambler". Der Leser ist somit in der Lage, das Erlernte direkt auf seine eigenen Fragestellungen anzuwenden.

Chemometrics In Excel

Author: Alexey L. Pomerantsev
Publisher: John Wiley & Sons
ISBN: 1118873262
Size: 71.11 MB
Format: PDF, Mobi
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Providing an easy explanation of the fundamentals, methods, andapplications of chemometrics • Acts as a practical guide to multivariate dataanalysis techniques • Explains the methods used in Chemometrics and teachesthe reader to perform all relevant calculations • Presents the basic chemometric methods as worksheetfunctions in Excel • Includes Chemometrics Add In for download which usesMicrosoft Excel® for chemometrics training • Online downloads includes workbooks with examples

111 Haiku

Author: Franz von Falkenstein
Publisher: BookRix
ISBN: 3739628227
Size: 70.38 MB
Format: PDF
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In diesem Band finden sich 111 ausgewählte Haiku aus Eigenproduktion. Im Gegensatz zu anderen deutschen Haiku-Schreibern beharre ich strikt auf der 5-7-5 - Silbenzahl.Inhaltlich wird mitunter etwas vom klassischen, japanischen Haiku abgewichen, obgleich Natur-Haiku dominieren.

Nmr Konzepte Und Methoden

Author: Daniel Canet
Publisher: Springer-Verlag
ISBN: 3642791220
Size: 32.77 MB
Format: PDF, ePub
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Daniel Canet hat aus Seminaren und Vorlesungen an der Universität Nancy I die wesentlichen Themen der Kernresonanzspektroskopie ausgewählt. Er stellt die physikalischen Zusammenhänge so dar, daß sich eine große Gruppe für das Buch interessiert: Chemiker, Biochemiker - und auch Mediziner, in deren Diagnostik auch die spektroskopischen Aspekte eine immer größere Rolle spielen. Das Buch ist auf drei Ebenen geschrieben: als Einführung in das physikalische Phänomen, als Lehrbuch für Chemiker nach dem Vordiplom und als eine Darstellung der quantenchemischen Modelle, die zum Verständnis der Spindynamik, der Multipuls- und multidimensionalen Verfahren nötig sind. Hier unterscheidet sich Canets Buch von anderen Einführungen.