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biomineral金蟲 (著名寫手)
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[交流]
請問碳納米管純化后金屬殘余的測定 已有2人參與
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我做碳納米管的電學性質,需要盡量提純碳納米管,其中金屬雜質的影響會很大。我提純后想確定一下產(chǎn)品中金屬例如鐵元素的含量,請問有相關文獻嗎?一般是不是用原子光譜來測定。咳f分感謝! 發(fā)自小木蟲IOS客戶端 |
wulishi8在碳材料和其他專業(yè)問題的回復 |
金蟲 (著名寫手)
至尊木蟲 (著名寫手)
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X射線電子能譜XPS,X射線衍射XRD,X射線能譜元素分布EDS等都能測碳管里的金屬。AAS/AES當然也可以,把碳管消解后進樣就成了。前三者可參見: TJ Aitchison et al. Purification, Cutting, and Sidewall Functionalization of Multiwalled Carbon Nanotubes Using Potassium Permanganate Solutions. J Phys Chem C 2007, 111: 2440-2446. JS Wang et al. Purification of Single-Walled Carbon Nanotubes Using a Supercritical Fluid Extraction Method. J Phys Chem C 2007, 11: 13007-13012. S Scaccia et al. Study of Purification Process of Single-Walled Carbon Nanotubes by Thermoanalytical Techniques. Thermochimica Acta 2005, 435: 209-212. |

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金蟲 (著名寫手)
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