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COLUMNS

• THE BASELINE
  Neutron Spectroscopy
  David Ball discusses neutron sources and introduces the two types of neutron scattering: elastic and inelastic.
  David W. Ball

• FOCUS ON QUALITY
  Fat Finger, Falsification, or Fraud?
  Where is the dividing line between a simple mistake and falsification?
  R.D. McDowall

ARTICLE

• Spectroscopy Market: Weathering the Storm and on the Path to Recovery
  The author discusses current trends in the spectroscopy market.
  Sivakumar Narayanaswamy

• 2010 Editorial Index
  Spectroscopy presents its annual index of authors and articles.
  

APPLICATION NOTES

• Portable Transmission FTIR Analysis of Volatile Samples Using the DialPath Liquid Cell
  Frank Higgins, A2 Technologies

• Long-Wavelength Dispersive 1064nm Raman: Non-Invasive Cancer Tissue Diagnostics
  BaySpec, Inc.

• Determination of Low Concentration Methanol in Alcohol by an Affordable High Sensitivity Raman Instrument
  Duyen Nguyen and Eric Wu, Enwave Optronics, Inc.

• High-Resolution NIR Analysis
  R. Morris, Ocean Optics, Inc.

DEPARTMENTS

• From the Editor
• News Spectrum
• Corporate Capabilities

COLUMNS

• MASS SPECTROMETRY FORUM
  Derivatization in Mass Spectrometry
  A change in the chemical form of a sample is called sample derivatization, and this is the focus of Ken Busch's latest installment.
  Kenneth L. Busch

• FOCUS ON QUALITY
  Where Are We Now with USP <1058>?
  It is just over two years since USP <1058> on Analytical Instrument Qualification (AIQ) became effective. The author presents his views in conjunction with a roundtable discussion on the subject, to be held at AAPS 2010.
  R.D. McDowall

• ATOMIC PERSPECTIVES
  Reducing the Effects of Interferences in Quadrupole ICP-MS
  This month's installment covers correction equations, collisions, and chemical reactions in quadrupole ICP-MS.
  Kenneth Neubauer

ARTICLE

• A Quantitative Analysis of Neodymium and Samarium at Low Pressure by Laser-Induced Breakdown Spectroscopy
  The authors focus on stabilizing a plasma sphere to enhance the accuracy of LIBS, and determine an optimum measuring position of a plasma sphere based upon the quantitative analysis of ordinary metals.
  Seung-Hyun Kim, June-Sik Ju, Hee-Sung Shin, Ho-Dong Kim, and Ki-Ju Yee

DEPARTMENTS

• From the Editor
• News Spectrum
• Product Resources
• Calendar
• Call for Papers
• Ad Index

COLUMNS

• MOLECULAR SPECTROSCOPY WORKBENCH
  Thoughts About ICORS 2010 and Where Raman Spectroscopy Is Headed
  Fran Adar examines the program at ICORS 2010, providing a sense of how applications and instrumentation are driving each other in the field of Raman research.
  Fran Adar

• CHEMOMETRICS IN SPECTROSCOPY
  Classical Least Squares, Part III: Spectroscopic Theory
  The authors continue their ongoing discussion of classical least squares with a look at spectroscopic theory.
  Howard Mark and Jerome Workman

ARTICLES

• Measuring Cellular-Scale Nutrient Distribution in Algal Biofilms with Synchrotron Confocal Infrared Microspectroscopy
  The authors use synchrotron confocal IMS to measure the response of two dominant algal species from a stream biofilm to a reduction in nutrient availability.
  Justin N. Murdock, Walter K. Dodds, John A. Reffner, and David L. Wetzel

• Spectrometers for Elemental Spectrochemical Analysis, Part III: Arc/Spark Optical Emission Spectrometers
  Following a discussion of the basic modules of spectrometer systems in Part I, the author continues his series on spectrochemical analysis with a discussion of arc/spark optical emission spectrometers.
  Volker Thomsen

DEPARTMENTS

• News Spectrum
• FACSS Preview
• Ownership Statement
• Products
• Ad Index

COLUMNS

• THE BASELINE
  Group Theory and Symmetry, Part IV: Great or Grand, We've Got GOT
  David Ball continues his treatment of symmetry and group theory by introducing a very useful mathematical tool in group theory. It has two names in common use, with the same acronym: the GOT.
  David W. Ball

• FOCUS ON QUALITY
  Dear Esteemed Vendor?
  Bob McDowall looks at the question: How good is documentation supplied by a vendor to support the qualification of an instrument or the validation of a laboratory computerized system?
  R.D. McDowall

• MASS SPECTROMETRY FORUM
  Ion Burn and the Dirt of Mass Spectrometry
  Ken Busch explores the dirt of mass spectrometry - its origins and its visible consequences in a deposit on metal surfaces called ion burn.
  Kenneth L. Busch

ARTICLE

• Preliminary Field Measurement of Cotton Fiber Micronaire by Portable NIR
  The authors demonstrate the rapid and accurate laboratory measurement of cotton fiber micronaire trends at the cotton field with portable near infrared instrumentation.
  James Rodgers, Sho Yeung Kang, Chanel Fortier, Xiaoliang Cui, Gayle Davidonis, Ernest Clawson, Don Boquet, and William Pettigrew

DEPARTMENTS

• From the Editor
• News Spectrum
• Calendar
• Product Resources
• Ad Index

BUYERS' GUIDE & INDUSTRY TRENDS 2010-2011

• SPECTROSCOPIC INSTRUMENTATION: SPECTROMETER SYSTEMS
• OPTICS, ELECTRO-OPTICS, OPTRONICS, FIBER OPTICS, AND RELATED COMPONENTS
• SAMPLING/SAMPLE HANDLING
• SPECTROSCOPY SOFTWARE/ COMPUTER HARDWARE/AUTOMATION PRODUCTS
• SPECTROSCOPY SERVICES
• GENERAL SCIENTIFIC EQUIPMENT AND ACCESSORIES
• PROCESS ANALYTICAL INSTRUMENTATION
• BIOANALYSIS INSTRUMENTS

ALSO:

• PRODUCT INDEX
• INDUSTRY TRENDS REPORT
• MANUFACTURER DIRECTORY

COLUMNS

• MASS SPECTROMETRY FORUM
  Mass Spectrometry-Mass Spectrometry Retrospective
  Ken Busch presents a retrospective overview of more than 40 years of mass spectrometrymass spectrometry (MS-MS) research.
  Kenneth L. Busch

• LASER AND OPTICS INTERFACE
  CMOS Technology for Scientific Imaging
  This month's installment of "Laser and Optics Interface" describes CCDs and the new CMOS image sensors and cameras for scientific imaging.
  Ken Kaufman

• ATOMIC PERSPECTIVES
  Atomic Absorption: Feeding the Food Safety Market
  While viewed as a mature technology, atomic absorption is still an attractive choice, particularly in the area of food safety.
  Hazel Dickson

ARTICLES

• X-Ray Fluorescence and FT-IR Identification of Strontium and Carbonate in Domestic and Imported Gypsum Drywall
  The authors discuss the use of XRF and FT-IR for identifying contaminants in drywall.
  Jeffrey Hirsch, Steven R. Lowry, and Mick Dowd

• Spectrometers for Elemental Spectrochemical Analysis, Part II: X-Ray Fluorescence Spectrometers
  The basic modules of spectrometer systems were discussed in Part I of this series, and here, the authors focus on the X-ray excitation sources.
  Volker Thomsen and Carlos Augusto Coutinho

• DXC 2010: Going Green in the Rockies
  Spectroscopy previews the annual Denver X-Ray Conference, to be held August 2-6, 2010.
  Megan Evans

  SPECTROSCOPYONLINE.COM

DEPARTMENTS

• News Spectrum
• Product Resources
• Ad Index
• Pittcon Addendum

COLUMNS

• THE BASELINE
  Happy Sesquicentennial, Spectroscopy
  David Ball celebrates the 150th birthday of spectroscopy.
  David W. Ball

• CHEMOMETRICS IN SPECTROSCOPY
  Classical Least Squares, Part II: Mathematical Theory Continued
  The authors continue their discussion of the classical least squares approach to calibration.
  Howard Mark and Jerome Workman

ARTICLES

• Spectroscopy Uncensored: An Insider's Story of the First 15 Years
  Former Editor-in-Chief Michael MacRae reviews the early history of Spectroscopy.
  Michael MacRae

• Milestones in Spectroscopy
  Industry veteran Howard Mark and Spectroscopy Technical Editor Steve Brown present a timeline of both spectroscopy and Spectroscopy.
  Howard Mark and Steve Brown

• Spectroscopy Moves into the Digital Age
  Editor-in-Chief David Walsh discusses Spectroscopy's transition into the Digital Age.
  David Walsh

• Near-Infrared Spectrophotometric Analysis of Human Blood Glucose: Influence of Repeating Errors on Prediction Accuracy
  The authors examine the influence of repeating errors on the results of human blood glucose measurements using NIR.
  Yaping Li, Qingbo Li, and Guangjun Zhang

DEPARTMENTS

• From the Editor
• News Spectrum
• Products Showcase
• Calendar
• Ad Index

COLUMNS

• CHEMOMETRICS IN SPECTROSCOPY
  Classical Least Squares, Part I: Mathematical Theory
  In this month's installment, the authors begin a new subseries with the goal of explaining the classical least squares algorithm.
  Howard Mark and Jerome Workman

• ATOMIC PERSPECTIVES
  Using Qualifier Ions to Validate Multielement ICP-MS Data in Complex Samples
  Guest authors Steve Wilbur and Ed McCurdy discuss the role of qualifier ions in ICP-MS research in this month's installment of "Atomic Perspectives."
  Steve Wilbur and Ed McCurdy

ARTICLES

• Pittcon 2010 New Product Review 32
  Howard Mark brings readers his annual report on all that was new and innovative at Pittcon, held this year in Orlando, Florida, at the Orange County Convention Center.
  Howard Mark

• Using ICP-OES for Accurate Monitoring of Metallic Contaminants in Water According to U.S. EPA Method 200.7 64
  ICP-AES, specified by the U.S. EPA Method 200.7, is capable of fulfilling requirements for analyzing a total of 32 metals and trace elements in supplied water, natural water, and wastewater. Here, the authors look at this method and its application to water analysis.
  Matthew Cassap

DEPARTMENTS

• From the Editor
• News Spectrum
• Products Showcase
• Ad Index

COLUMNS

• THE BASELINE
  Group Theory and Symmetry, Part III: Representations and Character Tables
  In the third part of this series, David Ball starts getting into the mathematical aspects of group theory, aspects that ultimately become useful in spectroscopy.
  David W. Ball

• FOCUS ON QUALITY
  Understanding and Interpreting the GAMP 5 Life Cycle Models for Software
  Bob McDowall looks at the different life cycle models that apply in the laboratory to GAMP software categories 3, 4, and 5.
  R.D. McDowall

• LASER AND OPTICS INTERFACE
  Terahertz Technology: Moving from the Laboratory into the Process World
  Guest columnists Phil Taday and colleagues look at the emerging technique of terahertz spectroscopy and its move from the lab to the process world.
  Philip F. Taday, Michael Evans, Axel Zeitler, Yaochun Shen, and Dipankar Dey

ARTICLE

• Comparison of Different Sample Preparation Procedures for the Determination of RoHS/WEEE Regulated Elements in Printed Circuit Boards and Electrical Components by EDXRF
  This study evaluates the merits of different sampling techniques for the determination of a group of hazardous elements in printed circuit boards as defined by the European Union, RoHS, and WEEE.
  John E. Martin, Lea L. Anderson Smith, Gloria Adjei-Bekoe, and Robert Thomas

DEPARTMENTS

• From the Editor
• News Spectrum
• Products Showcase
• Ad Index

COLUMNS

• MOLECULAR SPECTROSCOPY WORKBENCH
  Depth Resolution of the Raman Microscope: Optical Limitations and Sample Characteristics
  Fran Adar looks at the determination of the depth resolution of a Raman microscope.
  Fran Adar

• MASS SPECTROMETRY FORUM
  A Random Walk Through the Web of Mass Spectrometry
  Ken Busch discusses the revolution in data storage and its impact on the MS community.
  Kenneth L. Busch

• ATOMIC PERSPECTIVES
  Electron Transitions in Optical Emission and X-Ray Fluorescence Spectrometry
  The authors present an X-ray energy level diagram for magnesium showing the major electron transitions, then compare it to an OES diagram for the same element.
  Volker Thomsen and Carlos Augusto Coutinho

ARTICLES

• 2010 Salary Survey
  Megan Evans presents the results of Spectroscopy's annual industry survey.
  Megan Evans

• Spectroscopy Bounces Back
  SDi president Lawrence Schmid brings Spectroscopy readers his annual analysis of the spectroscopy market.
  Lawrence S. Schmid

DEPARTMENTS

• News Spectrum
• Products Showcase
• Ad Index

COLUMNS

• MOLECULAR SPECTROSCOPY WORKBENCH
  Analysis of Lignin and Cellulose in Biological Energy Sources by Raman Microscopy
  Cellulosic feedstocks from biological harvests or industrial-urban waste have been proposed as sources for the production of energy in the form of fermentation-produced ethanol biofuel. Because Raman measurements are nondestructive, they can provide information on the relative concentrations of the feedstock components.
  Fran Adar

• CHEMOMETRICS IN SPECTROSCOPY
  Statistics and Chemometrics for Clinical Data Reporting, Part III: Using Excel for Data Plotting
  This installment of "Chemometrics in Spectroscopy" illustrates the various graphical ways used to observe and interpret comparative clinical quantitative measurement methods.
  Jermome Workman and Howard Mark

ARTICLES

• Assessing Accuracy
  In a previous article, we discussed the steps in the chemical analysis process (sample taking, sample preparation, analysis, and results) and promised a follow-up on the question of the accuracy of the results. This article examines systematic error and quantitative analysis.
  Volker Thomsen

• Differentiation Between Origins of Extra Virgin Olive Oils by GC-C-IRMS Using Principal Component Analysis, Linear Discriminant Analysis, and Hierarchical Cluster Analysis
  The authors classify extra virgin olive oils from Portugal and Turkey using GC-C-IRMS to evaluate the isotope ratios of the fatty acid methyl esters (FAMEs) extracted from the oils.
  Andreas Baum, Yao Lu, Zeland Muccio, Glen P. Jackson, and Peter B. Harrington

• CHCA or DHB? Systematic Comparison of the Two Most Commonly Used Matrices for Peptide Mass Fingerprint Analysis with MALDI-MS
  The authors present a comprehensive study of MALDI spotting, based upon the most commonly used dried droplet method, for various peptides of different molecular weight and concentration.
  Cunjie Zhang, Haixia Zhang, David W. Litchfield, and Ken K.-C. Yeung

DEPARTMENTS

• From the Editor
• News Spectrum
• DSS 2010 Preview
• Product Resources
• Calendar
• Ad Index

COLUMNS

• THE BASELINE
  Group Theory and Symmetry, Part II: Groups
  In the previous installment of this column, David Ball introduced the five types of symmetry elements that are important in physical science. Here, he discusses why it's called "group" theory in the first place.
  David W. Ball

• MASS SPECTROMETRY FORUM
  Mass Spectral Libraries: The Next Generation
  Fundamentally new manipulations of data contained in mass spectral databases and libraries are envisioned for the next generation of mass spectral libraries, including developments both in very specialized collections as well as broader collections accessed through a web- and cloud-based network. Here, Ken Busch exmaines these
  developments. Kenneth L. Busch

• LASER AND OPTICS INTERFACE
  How Optical Advances Helped Deliver the Promise of Miniature Spectrometers
  Performance gaps in the industry's earliest miniature spectrometers today have been mitigated by the ongoing improvement of gratings, coatings, mirrors, and other spectrometer bench optical components.
  Robert Morris

ARTICLES

• Speciation of Mercury in Crude Oil Using Speciated Isotope Dilution Mass Spectrometry
  ICP-MS and IDMS for crude oil analysis are explored.
  G.M. Mizanur Rahman, Timothy M. Fahrenholz, H.M. Skip Kingston, Matt Pamuku, J. David Hwang, and Lyman A. Young

• Spectrometers for Elemental Spectrochemical Analysis, Part I: The Basic Spectrometer
  An overview of the instrumentation used in elemental spectrochemical analysis.
  Volker Thomsen

DEPARTMENTS

• From the Editor
• News Spectrum
• IFPAC 2010 Preview
• Product Resources
• Calendar
• Ad Index