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Findings from National Institute of Advanced Industrial Science and Technology (NIAIST) in the Area of Minerals Described

May 2, 2014



By a News Reporter-Staff News Editor at Science Letter -- Investigators publish new report on Minerals. According to news reporting out of Ibaraki, Japan, by NewsRx editors, research stated, "Graphite-like thin sheets (GLSs) contained in globular aggregates of carbon nanohorns have few oxygenated groups; therefore, they are suitable for studying how oxidation can be finely controlled."

Our news journalists obtained a quote from the research from the National Institute of Advanced Industrial Science and Technology (NIAIST), "We found that mild oxidation in GLSs with H2O2 solution at room temperature for 7-28 days enabled GLS surface layers to be selectively oxidized, where carboxyl, quinone, carbonyl, and hydroxyl groups were created. The inner layers were little oxidized and almost no exfoliation occurred as was suggested by the lack of change in the layer-layer distances and the histogram of layer numbers in the GLS."

According to the news editors, the research concluded: "The other evidence was that the quantity ratio for the surface and inner layers, viz., oxidized and not-oxidized layers, was estimated to be about 2:1 from thermogravimetric analysis, and this value largely coincided with the surface and inner ratio of layer numbers estimated from the histogram for the layer number."

For more information on this research see: Evidence of selective oxidation in surface layers of graphite-like thin sheets by mild oxidation. Carbon, 2014;71():70-75. Carbon can be contacted at: Pergamon-Elsevier Science Ltd, The Boulevard, Langford Lane, Kidlington, Oxford OX5 1GB, England. (Elsevier - www.elsevier.com; Carbon - www.elsevier.com/wps/product/cws_home/258)

Our news journalists report that additional information may be obtained by contacting M. Nakamura, Natl Inst Adv Ind Sci & Technol, Nanotube Res Center, Tsukuba, Ibaraki 3058565, Japan. Additional authors for this research include T. Kawai, R. Yuge, S. Bandow, S. Iijima and M. Yudasaka (see also Minerals).

Keywords for this news article include: Asia, Japan, Carbon, Ibaraki, Graphite, Minerals

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Source: Science Letter