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|Articles|May 1, 2001

LCGC North America

  • LCGC North America-05-01-2001
  • Volume 19
  • Issue 5

New GC Instruments and Accessories at the 52nd Pittsburgh Conference

This month in GC Connections, John Hinshaw presents his report of new gas chromatography instruments and accessories exhibited at the 52nd Pittsburgh Conference...
External Link - article-2089.pdf

Articles in this issue

over 25 years ago

Microdialysis Sampling - Challenges and New Frontiers

over 25 years ago

Autosamplers, Part II - Problems and Solutions

over 25 years ago

The Birth of Partition Chromatography

over 25 years ago

Whole-Column-Imaging Detection for Capillary Isoelectric Focusing and Capillary Electrophoresis

over 25 years ago

Comparison of Quadrupole, Time-of-Flight, and Fourier Transform Mass Analyzers for LC-MS Applications

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Figure 2. Split injection used to measure triplicate test of MTBE, hexane, o-xylene, and 1-methylnaphthalene comparing different solvents (methanol, methylene chloride) and column insertion distances starting with 0.5 mm, 5.0 mm, 10.0 mm, 15 mm, and 20.0 mm. Methanol had the best performance at the 5.0 mm insertion distance and methylene chloride looked slightly better at the 0.5 mm. We would still recommend not going below the 5.0 mm manufacturer recommended insertion distance.
Revisiting Column Insertion Distance
Revisiting insertion distance for methanol and methylene chloride in GC analysis and confirming that insertion depth strongly affects response and reproducibility.
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