针对化学气相沉积法制备的碳纳米管进行了非破坏性纯化研究，对原始的碳纳米管样品采用先酸化再煅烧的步骤进行了处理。并用热重分析方法（TGA）准确地确定了碳纳米管和无定形碳分离的煅烧温度，在碳纳米管得到纯化的同时，避免了碳纳米管的损失和破坏，为得到纯净的高质量碳纳米管提供了一种新的手段和方法。
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