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| Determination of Trace Pb and Cd in High Salinity Water by ICP-AES with Sulfhydryl Cotton Separation and Preconcentration |
| Received:May 28, 2013 Revised:June 21, 2013 |
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| DOI：doi:10.3969/j.issn.2095-1035.2013.04.007 |
| KeyWord:sulfhydryl cotton; lead; cadmium; inductively coupled plasma atomic emission spectrometry; high salinity |
| Author | Institution |
| ZHANG Ning |
河北省地矿中心实验室，河北 保定 |
| GUO Xiuping |
河北省地矿中心实验室，河北 保定 |
| SHEN Yumin |
河北省地矿中心实验室，河北 保定 |
| JIANG Yunjun |
河北省地矿中心实验室，河北 保定 |
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| Abstract: |
| In this paper, trace Pb and Cd in high salinity water was determined by by ICP-AES. Sulfhydryl cotton was used for sample separation and preconcentration purpose. The results show that at pH=7 the best enrichment effect for both trace Pb and Cd was achieved and the matrix elements were also separated after the colum was washed with 1.5 mol/L HCl solution. The recoveries for Pb and Cd were in the range of 95.0%～105.0% and the RSDs were between 3.8% to 9.7%. |
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