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LCGC Asia Pacific-11-01-2019

LCGC Asia Pacific

LCGC Asia Pacific November/December 2019 Regular Issue PDF

November 01, 2019

Issue PDF

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4

Click the title above to open the LCGC Asia Pacific November/December 2019 regular issue, Vol 22, No 4, in an interactive PDF format.

Mind the Diluent: Effects of Sample Diluent on Analyte Recovery in Reversed-Phase and HILIC Separations

November 01, 2019

LC Troubleshooting

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The sample solvent can have a big impact on peak shape in both reversed-phase and hydrophilic interaction liquid chromatography (HILIC) separations, especially when large volumes are injected. Diluting the sample with weak solvent can be an effective solution to mitigate this problem, but we have to be careful to not lose analytes of interest to precipitation or phase separation.

Essential GC Accessories

November 01, 2019

GC Connections

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Most manufacturers ship gas chromatographs with a small collection of consumable parts and accessories, such as extra ferrules, inlet liners, or septa, and a few instrument-specific tools. In earlier times, some convenience items might have been included as well, like a bubble flow meter or a small set of tools, but now it’s rare to find such things in the shipping boxes. This edition of “GC Connections” lists a number of essential items that should be on hand in every gas chromatography (GC) laboratory, their function, and how to use them effectively.