AnalyzerPro Publications

Advances in mass spectrometry are enabling analysis of micro samples and unknown components that were not observable before. As the volume of information acquired from mass spectrometry increases, researchers are calling for simple techniques to analyze numerous components observed, and as a result, there is a rise in demand for comprehensive analytical techniques including multiple classification analysis.   In this work, we will introduce a new technique for non-target analysis, which combines comprehensive analysis using high resolution GC-TOFMS and unknown component analysis using soft ionization.

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Advances in mass spectrometry are enabling analysis of micro samples and unknown components that were not observable before. As the volume of information acquired from mass spectrometry increases, researchers are calling for simple techniques to analyze numerous components observed, and as a result, there is a rise in demand for comprehensive analytical techniques including multiple classification analysis. In this work, we will introduce a new technique of non-targeted analysis, which combines comprehensive analysis using high resolution GC-MS and unknown component analysis using soft ionization and EI.

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Peak overlapping or partial co-elution is a common problem in any chromatographic separation technique. Where a detector which produces spectral characteristics is used, such as a mass spectrometer, the deconvolution of partially overlapping peaks can be achieved without any assumptions being made regarding the peak shape or underlying spectra of the individual components.

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Electrospray Ionisation (ESI), the preferred technique when using LC-MS is a “soft ionisation” method. Ideally, very little fragmentation of the molecule occurs leading to a strong pseudomolecular ion.

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The introduction of the new EU Tobacco Product Directive will ensure that tobacco related products such as electronic cigarette liquids (e-liquids) will be tested to ensure compliance with the directive. Products may not contain more than 20 mg/mL of nicotine and no colouring or flavouring additives may be used. Additionally, vitamins or additives with a perceived health benefit have been prohibited and stimulants such as caffeine and taurine may not be added. Here we report a GC-MS method to profile e-liquids and describe how the software package AnalyzerPro® was used to perform quantitation and automatically create a library to search e-liquid products against to test for compliance with the directive.

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The Quantitation tutorial has been designed to help you use AnalyzerPro for quantitation. The example that we present here is a pesticide residue analysis of Silver Gull eggs from Penguin Island, Western Australia.

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