3种酸氧化法制备的功能化多壁碳纳米管中含氧官能团含量的比较
通过定量测定碳纳米管表面含氧官能团对其功能化程度进行了评估。采用3种方法制备了酸氧化多壁碳纳米管（c-MWNTs）,并对比了其分散稳定性,通过扫描电镜（SEM）和红外光谱法（FTIR）对其进行定性表征,分别用NaHCO3,Na2CO3及NaOH选择性地与c-MWNTs表面不同的酸性位点发生反应,利用酸碱滴定法定量测定其表面的含氧官能团,电位滴定法检测终点。结果表明：3种c-MWNTs中羧基和羟基的含量差别较大,各种含氧基团的含量依次为羧基〉羟基〉内酯基,浓HNO3-浓H2SO4超声法的功能化效果最佳。...
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| Published in | Fēnxī huàxué Vol. 39; no. 5; pp. 718 - 722 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
中国药科大学,分析化学教研室,南京,210009%中国药科大学,分析化学教研室,南京,210009
2011
药物质量与安全预警教育部重点实验室,南京,210009 |
| Subjects | |
| Online Access | Get full text |
| ISSN | 0253-3820 |
| DOI | 10.3724/SP.J.1096.2011.00718 |
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| Abstract | 通过定量测定碳纳米管表面含氧官能团对其功能化程度进行了评估。采用3种方法制备了酸氧化多壁碳纳米管（c-MWNTs）,并对比了其分散稳定性,通过扫描电镜（SEM）和红外光谱法（FTIR）对其进行定性表征,分别用NaHCO3,Na2CO3及NaOH选择性地与c-MWNTs表面不同的酸性位点发生反应,利用酸碱滴定法定量测定其表面的含氧官能团,电位滴定法检测终点。结果表明：3种c-MWNTs中羧基和羟基的含量差别较大,各种含氧基团的含量依次为羧基〉羟基〉内酯基,浓HNO3-浓H2SO4超声法的功能化效果最佳。 |
|---|---|
| AbstractList | 通过定量测定碳纳米管表面含氧官能团对其功能化程度进行了评估。采用3种方法制备了酸氧化多壁碳纳米管（c-MWNTs）,并对比了其分散稳定性,通过扫描电镜（SEM）和红外光谱法（FTIR）对其进行定性表征,分别用NaHCO3,Na2CO3及NaOH选择性地与c-MWNTs表面不同的酸性位点发生反应,利用酸碱滴定法定量测定其表面的含氧官能团,电位滴定法检测终点。结果表明：3种c-MWNTs中羧基和羟基的含量差别较大,各种含氧基团的含量依次为羧基〉羟基〉内酯基,浓HNO3-浓H2SO4超声法的功能化效果最佳。 TB383; 通过定量测定碳纳米管表面含氧官能团对其功能化程度进行了评估.采用3种方法制备了酸氧化多壁碳纳米管(c-MWNTs),并对比了其分散稳定性,通过扫描电镜(SEM)和红外光谱法(FTIR)对其进行定性表征,分别用NaHCO3,Na2CO,及NaOH选择性地与c-MWNTs表面不同的酸性位点发生反应,利用酸碱滴定法定量测定其表面的含氧官能团,电位滴定法检测终点.结果表明:3种c-MWNTs中羧基和羟基的含量差别较大,各种含氧基团的含量依次为羧基＞羟基＞内酯基,浓HNO3-浓H2SO4超声法的功能化效果最佳. |
| Author | 陈喆 何华 谭树华 查隽 黄继龙 |
| AuthorAffiliation | 中国药科大学,分析化学教研室,南京210009 药物质量与安全预警教育部重点实验室,南京210009 |
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| Author_FL | HE Hua TAN Shu-Hua CHEN Zhe ZHA Jun HUANG Ji-Long |
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| Keywords | 电位滴定 酸氧化 含氧官能团 多壁碳纳米管 |
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| Publisher | 中国药科大学,分析化学教研室,南京,210009%中国药科大学,分析化学教研室,南京,210009 药物质量与安全预警教育部重点实验室,南京,210009 |
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| Snippet | 通过定量测定碳纳米管表面含氧官能团对其功能化程度进行了评估。采用3种方法制备了酸氧化多壁碳纳米管（c-MWNTs）,并对比了其分散稳定性,通过扫描电镜（SEM）和红外光谱... TB383; 通过定量测定碳纳米管表面含氧官能团对其功能化程度进行了评估.采用3种方法制备了酸氧化多壁碳纳米管(c-MWNTs),并对比了其分散稳定性,通过扫描电镜(SEM)和红外光谱... |
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| SubjectTerms | 含氧官能团 多壁碳纳米管 电位滴定 酸氧化 |
| Title | 3种酸氧化法制备的功能化多壁碳纳米管中含氧官能团含量的比较 |
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