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[1]喻德忠,王思思,万其进.纳米级ZrO2的合成及其对铜离子的吸附行为[J].武汉工程大学学报,2011,(05):25-27,33.[doi:10.3969/j.issn.16742869.2011.05.008]
　YU Dezhong,WANG Sisi,WAN Qijin.Synthesize of Nanometersized ZrO2 and its adsorptionbehavior of copper[J].Journal of Wuhan Institute of Technology,2011,(05):25-27,33.[doi:10.3969/j.issn.16742869.2011.05.008]
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纳米级ZrO2的合成及其对铜离子的吸附行为
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
期数:
2011年05期
页码:
25-27,33
栏目:
化学与化学工程
出版日期:
2011-05-31

文章信息/Info

Title:
Synthesize of Nanometersized ZrO2 and its adsorption
behavior of copper
文章编号:
16742869(2011)05002503
作者:
喻德忠; 王思思; 万其进
武汉工程大学化工与制药学院，绿色化学过程省部共建教育部重点实验室, 湖北 武汉 430074
Author(s):
YU Dezhong ;  WANG Sisi;  WAN Qijin
School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology,
Key Laboratory for Green Chemical Process of Ministry of Education, Wuhan 430074, China
关键词:
纳米ZrO2; 铜; 分离富集; 吸附
Keywords:
nanometersized ZrO2;  Cu;  separation and enrichment;  adsorption
分类号:
O657.32；O652.6
DOI:
10.3969/j.issn.16742869.2011.05.008
文献标志码:
A
摘要:
采用溶胶—凝胶法合成了纳米级ZrO2，研究了纳米ZrO2对Cu(Ⅱ)的吸附，优化了吸附条件，探讨了洗脱条件.结果表明：纳米ZrO2在pH=9.0~11.0范围内对Cu(Ⅱ)的吸附率达到95%以上，在98 ℃时，以0.7 mol/L的HCl为洗脱剂，可定量洗脱纳米ZrO2所吸附的Cu(Ⅱ)；考察了共存离子的影响，证明常见重金属离子无明显干扰.吸附容量为3.1 mg/g，富集倍数为50倍.回收的纳米ZrO2可重复使用.应用于样品分析，结果满意.
Abstract:
A new and simple method using nanometersized ZrO2 as a solid phase extractant coupled with spectrophotometry was proposed for determination of copper(Ⅱ). The nanometersized ZrO2 was prepared through solgel method. And the adsorption pH curve、adsorption capacity was obtained. It was found that the fraction of adsorbed Cu2+ was more than 95% under pH 9.0-11.0, and 0.7 mol·L-1 HCl was sufficient for complete elution. Nanometersized ZrO2 possesses a significant capacity (31 mg/g) for the adsorption of Cu2+. The fraction of Cu2+ absorbed on the recycled nanometersized ZrO2 still reached quite a high level, which showed that the nanometersized ZrO2 was reusable in practice. The study on interference of coexisting ions indicated that ZrO2 had high selectivity for copper ion. The method was applied to enrichment of trace copper (Ⅱ) in water samples with satisfactory results.

参考文献/References:

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［5］李成国，毕亚凡，柴利勇．纳米ZrO2的合成及其对稀土元素Yb的吸附行为研究［J］．科技创新导报，2009，36（1）：8081.
［6］Vassileva E，Proinova I,Hadjiivanov K. Solidphase extraction of heavy metal ions on a high surface area titanium dioxide (anatase). Analyst, 1996, 121(5):607.
［7］常刚，江祖成，彭天右，等. 溶胶—凝胶法制备高比表面积的纳米氧化铝及其对过渡金属离子吸附行为的研究 ［ J ］.化学学报,2003,61(1):100103.
［8］汪瑾，许煜汾.超细粉体在液相中分散稳定性的研究［J］.合肥工业大学学报,2002,25(1):123126.

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备注/Memo

备注/Memo:
收稿日期：20101222作者简介：喻德忠（1969），副教授，博士，硕士研究生导师.研究方向：光谱分析、纳米技术.
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