Atmospheric particulate matter (PM<sub>2.5</sub> and PM<sub>10</sub>) have been shown to have significant impacts on regional air quality, climate change, and humans and are abundant in our atmosphere. Particulate matter samples were collected over one week intervals using a high-volume aerosol sampler located on Hendrix Campus in Conway, AR. Water-soluble anions, including sulfate, nitrate, and phosphate, in the particulate matter samples were analyzed using ion chromatography (IC). Optimization of the IC flow rate was conducted by measuring the resolution between sulfate and phosphate peaks and the number of theoretical plates for all anions measured as a function of flow rate (0.5-1.5 ml/min). Aerosol concentrations and results from IC analysis of common anions will be reported.

Quantification of soluble ions in atmospheric particulate matter using ion chromatography

255th National Meeting (2018)

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