介绍了一种新的、不同于常用的气相氧化法的炭纳米管纯化方法.采用K2Cr2O7作为氧化剂将炭纳米颗粒氧化,并从热力学和动力学的角度对反应的可行性进行了分析,考察了硫酸用量、硫酸浓度、反应时间等因素反应的影响,确定了最佳工艺条件:硫酸浓度1:1(V) H2SO4:K2Cr2O7=6:1(mol)、反应时间2 h、反应温度140℃,同时对纯化机理进行了解释.
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