Accepted Manuscript XPS and structural studies of high quality graphene oxide and reduced graphene oxide prepared by different chemical oxidation methods R. Al-Gaashani, A. Najjar, Y. Zakaria, S. Mansour, M.A. Atieh PII: S0272-8842(19)30990-3 DOI: https://doi.org/10.1016/j.ceramint.2019.04.165 Reference: CERI 21359 To appear in: Ceramics International Received Date: 17 February 2019 Revised Date: 20 March 2019 Accepted Date: 19 April 2019 Please cite this article as: R. Al-Gaashani, A. Najjar, Y. Zakaria, S. Mansour, M.A. Atieh, XPS and structural studies of high quality graphene oxide and reduced graphene oxide prepared by different chemical oxidation methods, Ceramics International (2019), doi: https://doi.org/10.1016/ j.ceramint.2019.04.165. 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.