Application Notes: GC

Equivalent GC Systems Performance for Regulatory Method Compliance and Validation

May 09, 2022

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Methods migration from updating analytical equipment can be a time consuming task. This paper shows many examples of method compatibility and analytical equivalency.

Application Note : Analysis of e-liquids According to ISO 20714

April 21, 2022

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In this application note we demonstrate the excellent performance of Sapiens-624MS columns for the analysis of e-liquids based on ISO 20714.

Analysis of United States Pharmacopeia (USP) Grade Isopropyl Alcohol Impurities

March 11, 2022

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This application note describes two methods for isopropyl alcohol impurities detection: USP recommended 42-min analysis, and a speed-optimized method in less than 6 min.

PFAS Analysis Using a pH-Variable LC Mobile-Phase Gradient v3

February 11, 2022

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A novel LC approach to manipulate the chromatography of closely related PFAS analytes to separate co-elutes and avoid matrix interferences.

The Effect of Draw-Out Lens Diameter

October 25, 2021

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Investigating the effect of hydrogen and helium carrier gas across a range of column flow rates with different draw-out lenses for essential oil and volatile analysis

Analysis of e-liquids According to ISO 20714

October 22, 2021

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In this application note we demonstrate the excellent performance of Sapiens-624MS columns for the analysis of e-liquids based on ISO 20714

Automated TD Sample Calibration Standard Preparation

September 20, 2021

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The internal standard module of a CDS thermal desorber is used to automate the process of preparing calibration standards onto pre-conditioned thermal desorption tubes

Recollecting Samples in TD-GC-MS Methods

September 20, 2021

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This application note demonstrates the quantitative recollection of split sample to a clean sample saver tube for a group of VOCs in TD–GC–MS.

Improving Plastic Recycling Process by Steam

September 20, 2021

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Investigating Biodegradable Plastics by Pyroprobe

September 20, 2021

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This application note follows the Pyroprobe application decision making tree with EGA and pyrolysis to study biodegradable plastics by GC-MS.