LC*GC

December 2003
November 2003
October 2003
September 2003
August 2003
July 2003
June 2003
May 2003
April 2003
March 2003
February 2003
January 2003
2002
2001
2000
1999
1998
1997
1995 - 1996
Volume 21, Number 12, December 2003
LC*GC December 2003 Table of Contents
COLUMNS
- Column Watch: Are You Getting the Most Out of Your HPLC Column?
Ronald E. Majors
- LC Troubleshooting: Understanding Split Peaks
Cory Hawkins and John W. Dolan
- GC Connections: Gas Buying 101 -- Eliminating the Hassles Associated with Obtaining and Using Gases
Steve Scheuring
- Validation Viewpoint: Validation of Impurity Methods, Part II
John D. Orr, Ira S. Krull, and Michael E. Swartz
EDITORIAL INDEX
- 2003 Index of Authors and Subjects
DEPARTMENTS
- Peaks of Interest
- Product Showcase
- Ad Index
- Classified Directory
Volume 21, Number 11, November 2003
LC*GC November 2003 Table of Contents
COLUMNS
- Sample Prep Perspectives: Tissue Sample Preparation -- Not the Same Old Grind
Chongwoo Yu and Lucinda H. Cohen
- LC Troubleshooting: Extracolumn Effects
Ryan M. Minikis and John W. Dolan
- GC Connections: Solid-Phase Microextraction
John V. Hinshaw
ARTICLES
- Identifying Compounds Despite Chromatography Limitations: Organophosphates in Treated Sewage
Andrew H. Grange, Lantis I. Osemwengie, and G. Wayne Sovocool
- The Application of Multiplexed Microemulsion Electrokinetic Chromatography for the Rapid Determination of log Pow Values for Neutral and Basic Compounds
Kenneth R. Wehmeyer, Jian Tu, Yingkun Jin, Salane King, Mark Stella, David T. Stanton, Roy Strasburg, Jeremy Kenseth, and Kit-Sum Wong
DEPARTMENTS
- Peaks of Interest
- Products
- Literature
- Classified Directory
- Ad Index
Volume 21, Number 10, October 2003
LC*GC October 2003 Table of Contents
COLUMNS
- Column Watch: Response to the 2003 Gas Chromatography User Study -- Trends in Column Use and Techniques
Ronald E. Majors
- LC Troubleshooting: How Much Is Enough?
John W. Dolan
- Directions in Discovery: Coupling Liquid-Phase Separations and MALDI-MS
Tim Wehr
- MS -- The Practical Art: Source Design and the Utility of Multimode Ionization
Michael P. Balogh
ARTICLE
- Separation of Toxic Coplanar PCB Congeners from Other Congeners in Marine Sediments and Marine Fish Tissues Using Florisil and GC-ECD
R.H. Rieck
DEPARTMENTS
- From the Editor
- Peaks of Interest
- Products
- Literature
- Web Update
- Calendar
- Short Courses
- Classified Directory
- Ad Index
Volume 21, Number 9, September 2003
LC*GC September 2003 Table of Contents
COLUMNS
- Column Watch: Highlights of HPLC 2003
Ronald E. Majors
- LC Troubleshooting: Honoring Readers
John W. Dolan
- GC Connections: Gas Chromatography at the 26th International Symposium on Capillary Chromatography and Electrophoresis
John V. Hinshaw
- Milestones in Chromatography: The Beginnings of Gas Chromatography and Early Symposia Held in the United States
Leslie S. Ettre
ARTICLE
- Estimation of Triterpenes in Wines, Spirits, and Oak Heartwoods by LC-MS
Gilles Arramon, C‚dric Saucier, Sophie Tijou, and Yves Glories
DEPARTMENTS
- Peaks of Interest
- Products
- Literature
- Calendar
- Short Courses
- Classified Directory
- Ad Index
Volume 21, Number 8, August 2003
LC*GC August 2003 Table of Contents
LCGC Buyers' Guide
Products and Services
- Liquid Chromatography
- Gas Chromatography
- Supercritical Fluid Chromatography
- Thin-Layer Chromatography
- Electrophoresis
- Reagents, Solvents, Standards
- Data Handling, Calibration
- Chromatography Services
- Sample Preparation and Handling
- General Scientific Equipment and Accessories
Product Locator
Manufacturers Directory
Web Spotlight
Ad Index
Classified Directory
Volume 21, Number 7, July 2003
LC*GC July 2003 Table of Contents
COLUMNS
- Column Watch: The Use of Micrometer-Sized Particles in Ultrahigh
Pressure Liquid Chromatography
Anton D. Jerkovich, J. Scott Mellors, and James W. Jorgenson
- LC Troubleshooting: Why Do Peaks Tail?
John W. Dolan
- GC Connections: ASTM Subcommittee E13.19 on Chromatography
John V. Hinshaw
- Validation Viewpoint: Validation of Impurity Methods, Part I
John D. Orr, Ira S. Krull, and Michael E. Swartz
ARTICLE
- Analysis of Various Cyanobacterial Toxins by LC-MS
Stuart A. Oehrle and Judy Westrick
DEPARTMENTS
- Peaks of Interest
- Products
- Literature
- Short Courses
- Classified Directory
- Ad Index
Volume 21, Number 6, June 2003
LC*GC June 2003 Table of Contents
COLUMNS
- Sample Prep Perspectives: Directions in Automated Sample Preparation of Proteins
David A. Wells and David A. Weil
- LC Troubleshooting: Now What's Going On?
John W. Dolan
- GC Connections: A Century of Chromatography -- Gas Analysis in the First 50 Years
John V. Hinshaw
ARTICLE
- Applications of Chiral Ligand?Exchange Chromatography for the Analysis of D- and L-Lactic Acid Content of Wine and Other Foodstuffs
Alan J. Buglass and Suk Hean Lee
DEPARTMENTS
- Peaks of Interest
- Products
- Literature
- Calendar
- Short Courses
- Classified Directory
- Ad Index
Volume 21, Number 5, May 2003
LC*GC May 2003 Table of Contents
COLUMNS
- Sample Prep Perspectives: Membrane Extraction for Sample Preparation
Jan Åke Jönsson and Lennart Mathiasson
- LC Troubleshooting: Not Another Leak!
John W. Dolan
- GC Connections: GC Instruments and Accessories at the 54th Pittsburgh Conference
Bruce Flickinger and John V. Hinshaw
- Milestones in Chromatography: M.S. Tswett and the Invention of
Chromatography
Leslie S. Ettre
ARTICLE
- Breaking Down Barriers: Can LC-MS Revolutionize the Quantitation of Drug Product Impurities?
Kevin J. Kolodsick, David T. Rossi, and Carol A. Kingsmill
DEPARTMENTS
- Peaks of Interest
- Products
- Literature
- Calendar
- Short Courses
- Classified Directory
- Ad Index
Volume 21, Number 4, April 2003
LC*GC April 2003 Table of Contents
COLUMNS
- Column Watch: New Chromatography Columns and Accessories at the 2003 Pittsburgh Conference, Part II
Ronald E. Majors
- LC Troubleshooting: Flow Rate and Peak Spacing
John W. Dolan
- GC Connections
GC Troubleshooting -- A Troubleshooter's Tool Kit
John V. Hinshaw
ARTICLES
- An Organic Solvent?Free Method for Determining Oxytetracycline in Cow's Milk
Naoto Furusawa
- Interactions of Enantiomers of Aromatic Amino Acids with Highly Sulfated Cyclodextrins
F.-T.A. Chen
- Comparison of an Evaporative Light-Scattering Detector and a Chemiluminescent Nitrogen Detector for Analyzing Compounds Lacking a Sufficient UV Chromophore
Matthew C. Allgeier, Mark A. Nussbaum, and Donald S. Risley
DEPARTMENTS
- From the Editor
- Peaks of Interest
- Web Spotlight
- Products
- Literature
- Calendar
- Short Courses
- Classified Directory
- Ad Index
Volume 21, Number 3, March 2003
LC*GC March 2003 Table of Contents
COLUMNS
- Column Watch: New Chromatography Columns and Accessories at the 2003 Pittsburgh Conference, Part I
Ronald E. Majors
- LC Troubleshooting: LC Columns -- The Top-10 List
John W. Dolan
- GC Connections: Handling Fast Peaks
John V. Hinshaw
- Directions in Discovery: Affinity Selection Techniques for Proteomic Studies
Tim Wehr
ARTICLE
- Critical Pairs in Column Chromatography: A Primer for Pharmaceutical Method Validation
Gregory K. Webster and Christopher L. Basel
DEPARTMENTS
- From the Editor
- Peaks of Interest
- Products
- Literature
- Calendar
- Short Courses
- Classified Directory
- Ad Index
Volume 21, Number 2, February 2003
LC*GC February 2003 Table of Contents
COLUMNS
- Sample Prep Perspectives: Stir-Bar Sorptive Extraction of Trace Organic Compounds from Aqueous Matrices
Frank David, Bart Tienpont, and Pat Sandra
- LC Troubleshooting: Success with Evaporative Light-Scattering Detection
Craig S. Young and John W. Dolan
- GC Connections: Preparing the Laboratory for a Gas Chromatograph
John V. Hinshaw
- Validation Viewpoint: Validation of Bioanalytical Methods - Highlights of FDA's Guidance
Michael Swartz and Ira Krull
- Milestones in Chromatography: Two Early, Influential Symposia in the Development of Gas Chromatography
Leslie S. Ettre
ARTICLES
- The Thermally Tuned Tandem Column Approach to Optimizing Selectivity in HPLC
Yun Mao and Peter W. Carr
- Mobile-Phase Cleanup Using Solid-Phase Extraction Disks
Moira C. Ringo, John R. Allen, and Danna M. Mattocks
DEPARTMENTS
- From the Publisher and Editor
- Peaks of Interest
- Pittcon Product Showcase
- Calendar
- Short Courses
- Classified Directory
- Ad Index
Volume 21, Number 1, January 2003
LC*GC January 2003 Table of Contents
COLUMNS
- Column Watch: The Cleaning and Regeneration of Reversed-Phase HPLC Columns
Ronald E. Majors
- LC Troubleshooting: Mobile-Phase Buffers, Part III -- Preparation of Buffers
G. William Tindall
- GC Connections: A Leaky Situation
John V. Hinshaw
- A GC-MS Purge-and-Trap Method Comparison Study for MTBE Analysis in Groundwater
Joseph D. Evans and Mark R. Colsman
ARTICLES
- A Volatile Ion-Pairing Chromatography Reagent for an LC-MS Mobile Phase
Terry Franey
- GC Analysis of Trihalomethanes in Drinking Water -- A Rapid and Direct Quantitative Method
M. Carpi and C. Zufall
DEPARTMENTS
- Letter to the Editor
- Peaks of Interest
- Products
- Literature
- Short Courses
- Calendar
- Classified Directory
- Ad Index