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Analytical Chemistry 7th Edition



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Author: Gary D. Christian , Purnendu K. Dasgupta

Publisher: Wiley

Genres:

Publish Date: October 7, 2013

ISBN-10: 470887575

Pages: 848

File Type: PDF

Language: English

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Book Preface

This edition has two new coauthors, Purnendu (Sandy) Dasgupta and Kevin Schug, both from the University of Texas at Arlington. So the authorship now spans three generations of analytical chemists who have each brought their considerable expertise in both teaching and research interests to this book. While all chapters have ultimately been revised and updated by all authors, the three authors have spearheaded different tasks. Among the most notable changes are the following: The addition of a dedicated chapter on mass spectrometry (Chapter 22) by Kevin. Sandy provided complete rewrites of the chapters on spectrochemical methods (Chapter 16) and atomic spectrometric methods (Chapter 17), and gas and liquid chromatography (Chapters 20 and 21), and added many new Excel problems and exercises. Gary compiled and organized all old and new supplementary materials for the textbook companion website and added QR codes for selected website materials, and he prepared the PowerPoint presentations of figures and tables.

WHO SHOULD USE THIS TEXT?

This text is designed for college students majoring in chemistry and in fields related to chemistry. It is written for an undergraduate quantitative analysis course. It necessarily contains more material than normally can be covered in a one-semester or one-quarter course, so that your instructor can select those topics deemed most important. Some of the remaining sections may serve as supplemental material. Depending on how a quantitative analysis and instrumental analysis sequence is designed, it may serve for both courses. In any event, we hope you will take time to read some sections that look interesting to you that are not formally covered. They can certainly serve as a reference for the future.

WHAT IS ANALYTICAL CHEMISTRY?

Analytical chemistry is concerned with the chemical characterization of matter, both qualitative and quantitative. It is important in nearly every aspect of our lives because chemicals make up everything we use.
This text deals with the principles and techniques of quantitative analysis, that is, how to determine how much of a specific substance is contained in a sample. You will learn how to design an analytical method, based on what information is needed or requested (it is important to know what that is, and why!), how to obtain a laboratory sample that is representative of the whole, how to prepare it for analysis, what measurement tools are available, and the statistical significance of the analysis.

Analytical chemistry becomes meaningful when you realize that a blood analysis may provide information that saves a patient’s life, or that quality control analysis assures that a manufacturer does not lose money from a defective product.

WHAT’S NEW TO THIS EDITION?

This seventh edition is extensively rewritten, offering new and updated material. The goal was to provide the student with a foundation of the analytical process, tools, and computational methods and resources, and to illustrate with problems that bring realism to the practice and importance of analytical chemistry. We take advantage of digital technologies to provide supplementary material, including videos, website materials, spreadsheet calculations, and so forth (more on these below). We introduce the chapters with examples of representative uses of a technique, what its unique capabilities may be, and indicate what techniques may be preferred or limited in scope. The beginning of each chapter lists key learning objectives for the chapter, with page numbers for specific objectives. This will help students focus on the core concepts as they read the chapter.

Here are some of the new things:
●Professors Favorite Examples and Problems. We asked professors and prac-ticing analytical chemists from around the world to suggest new analytical examples and problems, especially as they relate to real world practice, that we could include in this new edition. It is with appreciation and pleasure that we thank the many that have generously provided interesting and valuable examples and problems. We call these Professor’s Favorite Examples, and Professor’s Favorite Problems, and they are annotated within the text by a margin
element We have included these in the text where appropriate and as space allows, and have placed some on the text website. We hope you find these interesting and, as appropriate, are challenged by them.

ms, analytical examples, updates, and experiments:

●Christine Blaine, Carthage College
●Andre Campiglia, University of Central Florida
●David Chen, University of British Columbia
●Christa L. Colyer, Wake Forest University
●Michael DeGranpre, University of Montana
●Mary Kate Donais, Saint Anselm College
●Tarek Farhat, University of Memphis
●Carlos Garcia, The University of Texas at San Antonio
●Steven Goates, BrighhamYoung University
●Amanda Grannas, Villanova University
●Peter Griffiths, University of Idaho
●Christopher Harrison, San Diego State University
●James Harynuk, University of Alberta
●Fred Hawkridge, Virginia Commonwealth University
●Yi He, John Jay College of Criminal Justice, The City University of New York
●Charles Henry, Colorado State University

● Gary Hieftje, Indiana University
● Thomas Isenhour, Old Dominion University
● Peter Kissinger, Purdue University
● Samuel P. Kounaves, Tufts University
● Ulrich Krull, University of Toronto
● Thomas Leach, University of Washington
● Dong Soo Lee, Yonsei University, Seoul, Korea
● Milton L. Lee, Brigham Young University
● Wen-Yee Lee, University of Texas at El Paso
● Shaorong Liu, University of Oklahoma
● Fred McLafferty, Cornell University
● Michael D. Morris, University of Michigan
● Noel Motta, University of Puerto Rico, ´ıo Piedras
●Christopher Palmer, University of Montana
●Dimitris Pappas, Texas Tech University
●Aleeta Powe, University of Louisville
●Alberto Rojas-Hern´andez, Universidad Auto-noma Metropolitana-Iztapalapa, Mexico

●Alexander Scheeline, University of Illinois
●W. Rudolph Seitz, University of New Hampshire
●Paul S. Simone, Jr., University of Memphis
●Nicholas Snow, Seton Hall University
●Wes Steiner, Eastern Washington University
●Apryll M. Stalcup, City University of Dublin, Ireland
●Robert Synovec, University of Washington

Galina Talanova, Howard University
●Yijun Tang, University of Wisconsin, Oshkosh
●Jon Thompson, Texas Tech University
●Kris Varazo, Francis Marion University
●Akos Vertes, George Washington University
●Bin Wang, Marshall University
●George Wilson, University of Kansas
●Richard Zare, Stanford University

●Mass spectrometry, especially when used as a hyphenated technique with chromatography, is increasingly a routine and powerful analytical tool, and a new chapter (Chapter 22) is dedicated to this topic. Likewise, liquid chromatography, including ion chromatography for anion determinations, is one of the most widely used techniques today, even surpassing gas chromatography. There are a wide variety of options of systems, instruments, columns, and detectors available, making selection of a suitable system or instrument a challenge for different applications. The present liquid chromatography chapter (Chapter 21) uniquely provides comprehensive coverage within the scope of an undergraduate text that not only gives the fundamentals of various techniques, how they evolved, and their operation, but also what the capabilities of different systems are and guidance for selecting a suitable system for a specific application.
●Revised chapters. All chapters have been revised, several extensively, especially those dealing with instrumentation to include recent technological innovations, as done for the liquid chromatography chapter. These include the spectrochemical chapter (16), the atomic spectrometric chapter (17), and the gas chromatography chapter (20). State-of-the-art technologies are covered. Some of this material and that of other chapters may be appropriate to use in an Instrumental Analysis course, as well as providing the basics for the quantitative analysis course; your instructor may assign selected sections for your course.
●Historical information is added throughout to put into perspective how the tools we have were developed and evolved. Some is this is included in margin pictures and notes, showing pioneers in development of our profession.
●Videos of Excel Programs. Major additions to the text and the text’s website supplemental material include powerful Excel programs to perform complicated calculations, and to create plots of titration curves, alpha vs. pH, logC vs. pH, etc. We have included video tutorials created by students of Professor Dasgupta to illustrate the use of many of these. The following videos, by chapter and in order of page appearance, with page numbers listed, are available on the text website. We have also created QR Codes for these in each chapter (see below) for those who want to access them on their smartphones. You will find these useful as you experiment with Excel and its power


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