A new matrix solid-phase for heavy metal ion extraction and residual testing

GUO Ming; WU Xiao-peng; SUN Dong-hai; ZHOU Jian-zhong; ZHANG Hua

doi:10.11833/j.issn.2095-0756.2012.04.011

Volume 29 Issue 4

Jul. 2012

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GUO Ming, WU Xiao-peng, SUN Dong-hai, ZHOU Jian-zhong, ZHANG Hua. A new matrix solid-phase for heavy metal ion extraction and residual testing[J]. Journal of Zhejiang A&F University, 2012, 29(4): 551-557. doi: 10.11833/j.issn.2095-0756.2012.04.011

Citation:

GUO Ming, WU Xiao-peng, SUN Dong-hai, ZHOU Jian-zhong, ZHANG Hua. A new matrix solid-phase for heavy metal ion extraction and residual testing[J]. Journal of Zhejiang A&F University, 2012, 29(4): 551-557. doi: 10.11833/j.issn.2095-0756.2012.04.011

A new matrix solid-phase for heavy metal ion extraction and residual testing

doi: 10.11833/j.issn.2095-0756.2012.04.011

1.
School of Sciences，Zhejiang A & F University，Lin’an 311300，Zhejiang，China

More Information

Corresponding author: GUO Ming
Received Date: 2011-09-23
Rev Recd Date: 2011-11-17
Publish Date: 2012-08-20

Abstract

Chemical modification of chitosan combined with characteristic bentonite was used to prepare new matrix adsorption and functional materials with a subsequent columnar extraction tube being designed and produced. Then，the new matrix solid-phase dispersion column was packed and prepared. With an orthogonal experimental design，metallic ions，used as prior indicators in Carya cathayensis leaves，were analyzed. Separation efficiency of the new matrix solid-phase dispersion column and relevance of the heavy metal ion residual content between leaves and fruit were determined using atomic absorption spectrophotometry. Results of the atomic absorption spectrophotometry showed that compared with classical methods，the new matrix solid-phase extraction column separated heavy metal ions in pecans showing a dependent relationship in leaves for heavy metal ions of Ni2+ （91.1%） and Cu2+ （77.8%） and in fruit of Ni2+ （89.1%） and Cu2+ （76.9%）. These results could provide a reference for studying solid-phase extraction technology and residual relevance of heavy metals. ［Ch，2 fig. 7 tab. 22 ref.］

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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

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A new matrix solid-phase for heavy metal ion extraction and residual testing

1. School of Sciences，Zhejiang A & F University，Lin’an 311300，Zhejiang，China

Corresponding author: GUO Ming

Received Date: 2011-09-23

Rev Recd Date: 2011-11-17

Publish Date: 2012-08-20

Abstract: Chemical modification of chitosan combined with characteristic bentonite was used to prepare new matrix adsorption and functional materials with a subsequent columnar extraction tube being designed and produced. Then，the new matrix solid-phase dispersion column was packed and prepared. With an orthogonal experimental design，metallic ions，used as prior indicators in Carya cathayensis leaves，were analyzed. Separation efficiency of the new matrix solid-phase dispersion column and relevance of the heavy metal ion residual content between leaves and fruit were determined using atomic absorption spectrophotometry. Results of the atomic absorption spectrophotometry showed that compared with classical methods，the new matrix solid-phase extraction column separated heavy metal ions in pecans showing a dependent relationship in leaves for heavy metal ions of Ni2+ （91.1%） and Cu2+ （77.8%） and in fruit of Ni2+ （89.1%） and Cu2+ （76.9%）. These results could provide a reference for studying solid-phase extraction technology and residual relevance of heavy metals. ［Ch，2 fig. 7 tab. 22 ref.］

A new matrix solid-phase for heavy metal ion extraction and residual testing

doi: 10.11833/j.issn.2095-0756.2012.04.011

Abstract

References

Proportional views

通讯作者: 陈斌, bchen63@163.com

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