A Method for Analysis of Vanillic Acid
and p-Hydroxybenzoic Acid in Polar Ice Cores

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Webinar

  • Date: Sep 11, 2014 - 15:00 - 16:00 (local time)
  • Presenter: Mackenzie GriemanThermo
  • Categories: Ion Chromatography
thumbnail image: A Method for Analysis of Vanillic Acid <br />and <I>p</I>-Hydroxybenzoic Acid in Polar Ice Cores

A Method for Analysis of Vanillic Acid and
p-Hydroxybenzoic Acid in Polar Ice Cores


Broadcast on September 11, 2014

This webinar is now available on-demand.
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Biomass burning plays a major role in the atmospheric chemistry, the global carbon cycle, and climate. However, the relationship between biomass burning and climate is not well understood. Therefore, well-dated records are needed to establish a history of biomass burning. In polar ice cores, several chemicals associated with fire emissions have been used as paleofire proxies. Two of these chemicals, vanillic acid and p-hydroxybenzoic acid, are produced by the incomplete combustion of plant lignin, transported long distances via aerosols, and deposited onto ice sheets.

This webinar will provide an overview the analysis of these compounds at parts per trillion levels in polar ice core samples using ion chromatography (IC) with MS/MS detection. Measurements of vanillic acid and p-hydroxybenzoic acid from a Siberian ice core will be shown as an example application of this method.

Key learning objectives

  • Provide information about the use of proxies in ice cores to reconstruct past climate
  • Discuss the use of IC-MS/MS for trace analysis of organic compounds

Who should attend?

  • Researchers who are interested in paleoclimatology, ice core science, or trace analysis using IC-MS/MS

Your Presenter

Mackenzie Grieman

Mackenzie Grieman

PhD Candidate
Earth System Science Department
University of California, Irvine

Mackenzie Grieman: Biography

Mackenzie Grieman is a PhD candidate in the Earth System Science Department at the University of California, Irvine. She received her B.A. in Public Policy Analysis with an emphasis in chemistry from Pomona College in 2009. Her research interests include paleoclimatology and analysis of trace chemical species.

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In association with:
  
                                 Pittcon 2015                             Current Protocols

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