Abstract
Ozone was used to oxidize graphene oxides (GO) to generate ozonated graphene oxides (OGO) with higher oxygen-containing functional groups. The as-prepared OGO was characterized by Fourier transformed infrared spectroscopy (FTIR), scanning electron microscopy (SEM) and X-ray photoelectron spectroscopy (XPS). Based on the results of potentiometric acid-base titrations, the total carboxylic acid concentration on OGO surface was calculated to be 3.92 mmol/g, which was much higher than that on GO surface. The results of adsorption experiments indicated that the adsorption capacities of OGO for Sr(II) and U(VI) removal were improved significantly after ozonization.
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04 June 2019
We regret that our article ���Ozonated graphene oxides as high efficient sorbents for Sr(II) and U(VI) removal from aqueous solutions ��� (Sci China Chem, 2016, 59: 869���877) contained errors. The corrections in an erratum do not change or affect the result or conclusion of the paper.
04 June 2019
We regret that our article ���Ozonated graphene oxides as high efficient sorbents for Sr(II) and U(VI) removal from aqueous solutions ��� (Sci China Chem, 2016, 59: 869���877) contained errors. The corrections in an erratum do not change or affect the result or conclusion of the paper.
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Liu, X., Wang, X., Li, J. et al. Ozonated graphene oxides as high efficient sorbents for Sr(II) and U(VI) removal from aqueous solutions. Sci. China Chem. 59, 869–877 (2016). https://doi.org/10.1007/s11426-016-5594-z
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DOI: https://doi.org/10.1007/s11426-016-5594-z