Accepted Manuscript Arsenite adsorption controlled by the iron oxide content of Holocene Red River aquifer sediment Helle Ugilt Sø, Dieke Postma, Hoang Van Hoan, Vi Mai Lan, Pham Thi Kim Trang, Pham Hung Viet, Rasmus Jakobsen PII: S0016-7037(18)30412-5 DOI: https://doi.org/10.1016/j.gca.2018.07.026 Reference: GCA 10857 To appear in: Geochimica et Cosmochimica Acta Received Date: 9 March 2018 Revised Date: 12 July 2018 Accepted Date: 17 July 2018 Please cite this article as: Ugilt Sø, H., Postma, D., Van Hoan, H., Mai Lan, V., Thi Kim Trang, P., Hung Viet, P., Jakobsen, R., Arsenite adsorption controlled by the iron oxide content of Holocene Red River aquifer sediment, Geochimica et Cosmochimica Acta (2018), doi: https://doi.org/10.1016/j.gca.2018.07.026 This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain.