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Absorption and distribution of Arsenic by plants & role of soil conditions

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2022 Spring ASEE Middle Atlantic Section Conference


Newark, New Jersey

Publication Date

April 22, 2022

Start Date

April 22, 2022

End Date

April 23, 2022

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sunil Dehipawala City University of New York, Queensborough Community College

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Sunil Dehipawala received his B.S. degree from University of Peradeniya in Sri Lanka and Ph.D from City University of New York. Currently, he is working as a faculty member at Queensborough Community College of CUNY.

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Harsha Rajapakse Medgar Evers College, CUNY

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A committed chemist, researcher, educator, and innovator with an unwavering desire for excellence, clarity of reflection, multi-disciplinary learning accomplishments, ground-breaking innovations, collaborative studies, entrepreneurship, intellectual and ethical responsibility, and service to the scientific, national, and international communities.

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Breeya Evans


Tak Cheung

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Tak David Cheung, Ph.D., professor of physics, teaches in CUNY Queensborough Community College. He also conducts research and mentors student research projects.

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Arsenic poisoning is a major health hazard affecting millions of people worldwide. Major contribution to arsenic contamination of soil is due to repeated use of fertilizers and pesticides. This results in higher amounts of arsenic in plants. We explored arsenic absorption by several different types of plants under different soil conditions such as presence of Fe2+ and Fe3+ ions in the soil. X-ray florescence spectroscopy (XFS) utilized to determine distribution of arsenic within a plant in different areas such as leaves, stem, and trunk. Chemical nature and association and possible association with iron ions were studied X-ray Absorption Near Edge Structure (XANES). Arsenic K edges employed to study microstructure such as bonding properties of iron and arsenic within plants. Results indicate that presence of more Fe3+ in the soil facilitate arsenic absorption by plants.

Dehipawala, S., & Rajapakse, H., & Evans, B., & Cheung, T. (2022, April), Absorption and distribution of Arsenic by plants & role of soil conditions Paper presented at 2022 Spring ASEE Middle Atlantic Section Conference, Newark, New Jersey. 10.18260/1-2--40041

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