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liuguan
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[交流]
【求助】這篇實(shí)驗中二氧化硅的制備有人重復(fù)過嗎? 已有6人參與
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Mechanism of Formation of Uniform-Sized Silica Nanospheres這篇實(shí)驗中制備12nm左右的二氧化硅有人重復(fù)過嗎? 12 nm in size were synthesized according to the original method with slight modifications. First, regent grade lysine (0.001 mol, Aldrich, 98%) was dissolved in deionized water with stirring at 333 K. TEOS (0.05 mol, Tokyo Kasei) was added to the lysinewater solution in one step. The molar composition of the reactants was 1TEOS: 0.02lysine: 162H2O. 這個實(shí)驗我重復(fù)后坐SEM 為什么沒有看到球,而用得到產(chǎn)物蒸干產(chǎn)量很高,我想問下前輩們幫幫忙,重復(fù)這個實(shí)驗需要注意哪些事情? |
新蟲 (正式寫手)
木蟲 (正式寫手)
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呵呵,我們組的文章,重復(fù)性很好。 我現(xiàn)在就在做這個課題,這個小球很好做。我最近發(fā)的論文就是拿這個小球當(dāng)種子合成棒狀硅球,可以參考一下。 Preparation of Anisotropic Silica Nanoparticles via Controlled Assembly of Presynthesized Spherical Seeds http://pubs.acs.org/doi/abs/10.1021/la103564p |
金蟲 (著名寫手)
計算蠕蟲
金蟲 (著名寫手)
計算蠕蟲
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