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Speciation of Arsenic in Environmental Samples of the Nha Trang Harbor, Vietnam, Using HPLC Coupled HG-AAS

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Abstract

A coupled High Performance Liquid Chromatography – Hydride Generation-Atomic Absorption Spectroscopy system was used to determine the speciation of Arsenic in samples from the Nha Trang Harbor, Vietnam. Concentrations of Arsenic in seawater, pore water, suspended solid, and sediment were 4.12–9.81 μg/L, 13.10–24.32 μg/L, 1.87–6.42 μg/g, and 3.37–9.06 μg/g, respectively. Extraction using H3PO4 + NH2OH·HCl and ultrasonic digestion was optimized to yield a 76–85% of total Arsenic. Arsenic (III) was the most abundant species in suspended solids and sediments whereas Arsenic (V) represented for 30–50% of Arsenic (III) concentration. Monomethylarsonic acid and Dimethylarsinic acid species were undetectable.

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Acknowledgments

This study was partly supported by the National Foundation for Science and Technology (NAFOSTED No. 104.03.45.09), Vietnam.

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Authors and Affiliations

  1. Institute of Chemistry, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Hanoi, Vietnam

    Lan Anh Le & Anh Duc Trinh

  2. The Nha Trang Institute of Technology Research and Application, Vietnam Academy of Science and Technology, 02 Hung Vuong, Nha Trang, Vietnam

    Dinh Thuat Nguyen & Minh Ly Bui

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  1. Lan Anh Le
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  2. Anh Duc Trinh
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  3. Dinh Thuat Nguyen
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  4. Minh Ly Bui
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Correspondence to Lan Anh Le.

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Le, L.A., Trinh, A.D., Nguyen, D.T. et al. Speciation of Arsenic in Environmental Samples of the Nha Trang Harbor, Vietnam, Using HPLC Coupled HG-AAS. Bull Environ Contam Toxicol 86, 415–418 (2011). https://doi.org/10.1007/s00128-011-0233-z

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  • DOI: https://doi.org/10.1007/s00128-011-0233-z

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