Determination of As, Cd, Ni, Mn, Fe, Pb, Cu and Co in Waste Water of Zinc Sulfate by ICP-AES after Coprecipitation with Zirconium Hydroxide

机译：氢氧化锆共沉淀-ICP-AES法测定硫酸锌废水中的砷，镉，镍，锰，铁，铅，铜，钴

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A zirconium hydroxide coprecipitation method for the determination of As, Cd, Ni, Mn, Fe, Pb, Cu and Co by inductively coupled plasma atomic emission spectrometry in waste water of feed additive zinc sulfate has been investigated. The coprecipitation conditions, such as the effect of the amount of zirconium solution, the aged time of precipitation, the enrichment factor and the possible matrix ions were examined in detail for the studied elements. It was found that arsenic, cadmium, nickel, manganese, iron, lead, copper and cobalt are coprecipitated quantitatively with zirconium hydroxide at pH 7 with low R.S.D. values of around 1 to 5%. The recovery of all the elements was more than 95%. The detection limits (3s ) of these elements were found in the range from 0.000 6 to 0.0075 µgȂ2;mL-1. The method was successfully applied to the determination of trace elements in some waste water. They were in good agreement with that obtained by the reference ICP-MS method.

机译：研究了一种电感耦合等离子体原子发射光谱法测定饲料添加剂硫酸锌废水中的砷，镉，镍，锰，铁，铅，铜和钴的氢氧化锆共沉淀法。对于所研究的元素，详细研究了共沉淀条件，例如锆溶液量的影响，沉淀的老化时间，富集因子和可能的基质离子。发现砷，镉，镍，锰，铁，铅，铜和钴在低R.S.D下与pH值为7的氢氧化锆定量共沉淀。值约为1到5％。所有元素的回收率均超过95％。这些元素的检出限（3s）为0.000 6至0.0075 µgȂ2; mL-1。该方法已成功应用于某些废水中微量元素的测定。它们与通过参考ICP-MS方法获得的结果非常吻合。

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《Fourth International Conference on Intelligent Computation Technology and Automation》|2011年|p.818-820|共3页
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Xu Hongbo; Jiang Xiaojun; Wang Jian;
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中图分类人工智能理论;
关键词
Coprecipitation; ICP-AES; Waste water of feed additive zinc sulfate; Zirconium hydroxide;

机译：共沉淀ICP-AES饲料添加剂硫酸锌废水氢氧化锆;

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Determination of As, Cd, Ni, Mn, Fe, Pb, Cu and Co in Waste Water of Zinc Sulfate by ICP-AES after Coprecipitation with Zirconium Hydroxide

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