November 98
October 98
September 98
August 98
July 98
June 98
May 98
April 98
March 98
February 98
January 98
1997
1995-1996

ARTICLES

• Fast FT-IR Imaging: Theory and Applications
  J.L. Koenig and C.M. Snively
  In this article, the authors review the current state of the art in instrumentation and present applications of fast FT-IR imaging for the study of multicomponent biological and polymeric systems.

• PittCon from a Long-Time Exhibitor’s Standpoint
  Paul Wilks
  A pioneer in commercial infrared spectroscopy who has exhibited at nearly every PittCon shares his personal reflections.

• Establishment of International Harmonization — the Role of CITAC
  Alan Squirrell and John Hammond
  This fifth and final part in a series on quality in the laboratory looks in detail at the role of Cooperation on International Traceability in Analytical Chemistry (CITAC), which was established to promote international harmonization.

• In Vivo Fluorescence Imaging for Detection of Damage to Leaves by Fungal Phytotoxins
  Walter J. Bowyer, Li Ning, Larry S. Daley, Gary A. Strobel, Gerry E. Edwards, and James B. Callis
  The authors describe an in vivo fluorescence imaging method that improves localization of diseased plant tissue and allows comparison to healthy areas on the same leaf.

• Molecular Spectroscopy Workbench: High-Power, External-Cavity Semiconductor Lasers
  Ming-Wei Pan and Robert E. Benner

• Chemometrics in Spectroscopy: Linearity in Calibration — Act II, Scene I
  Howard Mark and Jerome Workman Jr.

ARTICLES

• Matrix-Assisted Laser Desorption–Ionization Mass Spectrometry: An Overview
  Patrick A. Limbach
  The simplicity, speed, and performance of MALDI-MS make it a viable mass spectrometric approach for the characterization of many organic and inorganic materials.

• Low-Resolution Raman Spectroscopy
  Richard H. Clarke, Sameer Londhe, and M. Edward Womble
  Similar to near-IR as an analytical tool, LRRS may prove to be a highly useful, low-cost approach to organic analysis.

• Which CCD Detector Is Right for You?
  Sophie De Goy, Dominick Lanzisera, Kimberly Lopez, Jon Noonan, and Jagdish Rebello
  Because of the two-dimensional nature of a CCD detector, one can obtain spectra of several sources simultaneously in a single acquisition using an imaging spectrograph with a CCD.

• Evaluation of a Self-Referencing Fiberoptic Probe for Process Analysis
  Bruce R. Buchanan, Eric W. Richmond, Zhihao Lin, and Jozef Timmermans
  The authors evaluated a prototype external self-referencing probe developed according to Merck’s specifications.

• Chemometrics in Spectroscopy: Challenges — Unsolved Problems in Chemometrics
  Howard Mark and Jerome Workman Jr.

DEPARTMENTS

• News Spectrum
• Calendar
• Product Profiles
• Advertisers

ARTICLES

• Polarization Measurements in Spectrometers and Spectrofluorometers
  Edward Collett and Vincent Gazerro
  Most spectrometers and spectrofluorometers are used only to make spectral intensity measurements. However, atoms and molecules can also emit polarized light, and this behavior can provide additional information on the nature of their physical structures.

• How to Interface a Liquid Chromatograph to an Inductively Coupled Plasma–Mass Spectrometer for Elemental Speciation Studies
  Mary Kate Donais
  Elemental speciation is of growing importance in many scientific fields. The author explains how speciation studies can be implemented through the interfacing of a liquid chromatograph to an element-specific instrument such as an ICP-MS.

• Overcoming FT-IR Sample Preparation Problems
  Chris Petty and Joni Hansen
  As FT-IR instruments improve, accessories are becoming an integrated part of the system, thus expanding the benefits of new developments.

• Conference Update: SPQ-98
  Michael MacRae
  The upcoming program focuses on infrared and Raman spectroscopy in process and QA/QC applications.

• Guest Editorial: Friends, Former Students Gather to “Roast” Noted Spectroscopist Koenig
  Ashok L. Cholli

• The Baseline: Noise, Part II
  David W. Ball

DEPARTMENTS

• To the Editor
• Products
• From the Editor
• Calendar
• News Spectrum
• Advertisers
• Literature

Special Issue: 1998-1999 Buyers' Guide

FEATURE

• Recent Advances in Laser-Induced Breakdown Spectrometry
  Yong-Ill Lee, Young-Jae Yoo, and Joseph Sneddon
  Recent developments in laser-induced plasma are expanding its applications in areas such as detection systems and portable instrumentation and novel uses such as underwater analysis.

ARTICLES

• X-ray on the Internet
  Michael MacRae
  This overview of supplier Web sites for x-ray fluorescence and microanalysis includes details on key features and brief summaries of some new products.

• A Compact Spectrograph for Raman Spectroscopy
  J. Thomas Brownrigg
  This article describes the design and performance specifications of a new component suitable for Raman spectroscopy.

• Denver X-ray Conference to Focus on Applications of XRF, XRD, and Related Technologies
  State-of-the-art instrumentation and applications of x-ray fluorescence and x-ray diffraction analysis will take center stage this August at the 47th Annual Denver Conference on Applications of X-ray Analysis.

COLUMNS

• Guest Editorial: Symposium Commemorating 30 Years of FT-IR Spectroscopy Takes Shape
  John R. Ferraro

• The Baseline: Noise, Part I
  David W. Ball

DEPARTMENTS

• News Spectrum
• Product Profiles
• Calendar
• Advertisers

FEATURE

• Bioprospecting for Taxol in Angiosperm Plant Extracts — Using High Performance Liquid Chromatography–Thermospray Mass Spectrometry to Detect the Anticancer Agent and its Related Metabolites in Filbert Trees
  Angela Hoffman, Waseem Khan, Jeerapun Worapong, Gary Strobel, Don Griffin, Brian Arbogast, Douglas Barofsky, Randall B. Boone, Li Ning, Ping Zheng, and Larry Daley
  The authors describe the first report of the recovery of Taxol from an angiosperm. Taxol was identified using ion-spray liquid chromatography–mass spectrometry.

ARTICLE

• Rare-Earth Doped All-Solid-State Lasers for Ultraviolet Free Radical Spectroscopy
  Mark A. Dubinskii and Prabhakar Misra
  Rare-earth doped solid-state lasers are attractive sources of UV light for studying and spectroscopically categorizing free radicals of relevance to combustion and atmospheric phenomena.

COLUMNS

• Molecular Spectroscopy Workbench: Little Sphere, Big Sphere — Choosing the Right Integrating Sphere Size for Your Application
  Shannon L. Storm and Art Springsteen

• Mass Spectrometry Forum: Basics of MS-MS
  Kenneth L. Busch

• Chemometrics in Spectroscopy: Linearity in Calibration
  Howard Mark and Jerome Workman Jr.

DEPARTMENTS

• SPQ-98 Conference Preview
• Product and Applications Guide
• Advertisers

FEATURE

• PittCon ’98 in Review — A Wrap-up of the Latest Instruments, Accessories, and Software for Spectroscopy
  Spectroscopy’s PittCon product coverage has become an annual fixture of our May issue. This year’s coverage includes nearly 400 individual spectroscopy products. For quick reference, the products are broken up in the following categories:
  
  • Atomic Spectroscopy
  • FT-IR and FT–near-IR Spectrometers
  • Raman Instruments
  • Mass Spectrometry and Hyphenated Techniques
  • UV/Vis, Colorimetry, Fluorescence, and Dispersive Near-IR Equipment
  • Software and Automation
  • Sampling Accessories for UV, IR, and Raman Spectroscopy
  • X-ray Analysis Equipment
  • NMR Instruments
  • Optical Systems, Components, and Hardware
  • Lasers
  • Scanning Microscopes and Miscellaneous Analyzers
  • General Laboratory Supplies

COLUMN

• Chemometrics in Spectroscopy: Calculating the Solution for Regression Techniques — Part IV: Singular Value Decomposition (SVD)
  Jerome Workman Jr. and Howard Mark

DEPARTMENTS

• Literature
• Products
• Calendar
• Advertisers

ARTICLES

• The Influence of Computers, Microprocessors, and Microelectronics in the Evolution of XRF Instrumentation
  Brian J. Price
  This article shows that the enormous progress in computers and microprocessors has been a major contributor to the development of the XRF technique.

• Spectroscopy 101 — Help Us Pick the Best Introductory Definition of Spectroscopy for Publication on our World Wide Web Site
  We challenged readers to take their best shot at defining the term “spectroscopy” in a manner that could be easily comprehended by the average high school student.

• A New Microsampling Visible–Infrared Spectrometer Based on Optical Parametric Oscillator Technology
  Zifu Wang, George R. Rossman, and Geoffrey A. Blake
  This article describes the development of a new spectrometer based on tunable optical parametric oscillators (OPOs). The authors also discuss potential future improvements of microsampling OPO spectrometers.

COLUMNS

• Guest Editorial: A Tribute to Heather
  John P. Coates

• Molecular Spectroscopy Workbench: Evaluation of a Raman Imaging System
  Manuel J. Rodriguez

• Atomic Spectroscopy Perspectives: The Direct Determination of Radium in Geological Materials by Slurry Sampling Electrothermal Vaporization–Inductively Coupled Plasma-Mass Spectrometry
  R.St.C. McIntyre, D.C. Grégoire, and C.L. Chakrabarti

• Chemometrics in Spectroscopy: A Simple Question
  Howard Mark and Jerome Workman Jr.

DEPARTMENTS

• News Spectrum
• CLEO/IQEC ’98 Conference Preview
• Laser Equipment Showcase
• Product Profiles
• Calendar
• Advertisers

ARTICLES

• The 1998 Spectroscopy Survey of Salaries and Employment Issues — A Look at Spectroscopists’ Incomes and Attitudes Toward Their Jobs
  This article reports the findings from a recent survey of Spectroscopy readers. They provided answers to questions pertaining to job satisfaction and income.

• Quality Systems and Their Impact on the Laboratory of the Next Millennium — Part IV in a Series on Quality Issues in Spectrophotometry
  This article looks at the quality systems demanding the generation of quality data. How have these systems changed in the last few years, and where will they be by 2000?
  John Hammond

TRENDS IN SPECTROSCOPY

• Spectroscopic Computing and Automation
  Industry Trends
  Product Showcase: Atomic and Molecular Spectroscopy

• Sample Preparation and Handling
  Industry Trends
  Product Showcase: Sample Handling

• Product and Company Literature
  

DEPARTMENTS

• From the Editor
• News Spectrum
• Information for Authors
• Calendar of Events
• Advertisers

FEATURE

• FT-IR PAS: A Versatile Tool for Spectral Depth Profiling Chemical Analysis
  Eric Y. Jiang, William J. McCarthy, and David L. Drapcho
  This article demonstrates various depth-profiling approaches using Fourier ransform–infrared photoacoustic spectroscopy, and compares them using a variety of heterogeneous samples in both mid-IR and near-IR regions.

ARTICLES

• Uses and Applications of Inductively Coupled Plasma Mass Spectrometry in the Petrochemical Industry
  Frank McElroy, Anthony Mennito, Ebenezer Debrah, and Robert Thomas
  ICP-MS is an ideal technique for the determination of both trace elements and elemental species on oil-based samples simply by dilution with a suitable solvent.
• Continuous In-line Monitoring of Cl2 and HCl in Water-Vapor-Saturated Gas Streams Using Mass Spectrometry
  Josep Arnó
  This article discusses the essential components of the setup, analytical method, calibrations, and testing, demonstrating the advantages of this method over existing analytical techniques.
• Calibration Science for UV/Visible Spectrometry — Part III in a Series on Quality Issues in Spectrophotometry
  John Hammond, Doug Irish, and Steve Hartwell
  This article concentrates on the essential requirement for calibration of instrument systems used in a modern analytical laboratory.
• More Commercial Instrumentation for Absorption Spectroscopy — Updates and Clarifications
  

COLUMNS

• Guest Editorial: An Update on the Effort to Establish a Museum of Chemical Instrumentation — Progress Has Been Made, But More Support is Needed
  Edward G. Brame Jr.
• The Baseline: Snell’s Law and the Principle of Least Time
  David W. Ball

DEPARTMENTS

• From the Editor
• News Spectrum
• Bookshelf
• Product Profiles
• Meeting News
• Calendar
• Advertisers

ARTICLE

• Glow Discharge Optical Emission Spectrometry
  Richard Payling
  Glow discharge optical emission spectrometry is a rapid technique for surface and bulk analysis of solid materials. Recent advances in spectrometer control have extended the dynamic range of the instrument, and multimatrix calibration means that scientists can now analyze and depth profile a wide variety of materials with a single calibration.

COLUMNS

• Atomic Spectroscopy Perspectives: Sequential Multielement Analysis of Coals by Slurry Nebulization Using Ar, Ar-O2, and N2 Inductively Coupled Plasma Atomic Emission Spectrometry
  I.B. Brenner and A. Zander
• Molecular Spectroscopy Workbench: A New Remote-Sensing IR Device
  Emil W. Ciurczak
• Chemometrics in Spectroscopy: Looking Behind and Ahead
  Howard Mark and Jerome Workman Jr.
• The Baseline: Resolution - Part II: Fourier Transform Spectrometers
  David W. Ball

DEPARTMENTS

• From the Editor
• To the Editor
• News Spectrum
• Bookshelf
• Literature
• Products
• Conference: PittCon +98
• Meeting News
• Calendar
• Advertisers