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|Articles|February 1, 2000

LCGC North America

  • February 2000
  • Volume 18
  • Issue 2
  • Pages: 154–160

Total Polychlorinated Biphenyl Quantification by Rapid Dechlorination Under Mild Conditions

The authors describe a method of reductive chlorination that enables the determination of total PCB content by gas chromatography with flame ionization detection.

LCGC 18(2), 154–160 (2000).

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The Effects of Inner Surface Roughness of Microbore Column Blanks on Column Performance

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Starting Out Right, Part III – The Role of the Solvent in Controlling Selectivity

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A Noisy Problem

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Off-Duty Columns

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Just e-Sign on the Bottom Line?

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LC–MS Analysis of Polymer Additives by Electron and Atmospheric-Pressure Ionization: Identification and Quantification

over 26 years ago

Chromatography Data Systems, Part II: Specifying, Evaluating, and Selecting a System

over 26 years ago

Indirect Suppressed-Conductivity Ion Chromatography

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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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