| GFAAS法测定岩石中铅时消除基体干扰的方法选择 |
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| 引用本文： | 李彬贤,张巽.GFAAS法测定岩石中铅时消除基体干扰的方法选择[J].中国科学技术大学学报,1993,23(3):325-328. |
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| 作者姓名： | 李彬贤 张巽 |
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| 作者单位： | 中国科学技术大学地球和空间科学系
(李彬贤，张巽)，中国科学技术大学地球和空间科学系(张晓鸣) |
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| 摘 要： | 研究应用基体改进剂、石墨管镧涂层和L'vov平台对岩石中铅测定时基体干扰消除的效果。结果表明,用NH_1H_2PO_4和Mg(NO_3)_2作为基体改进剂,联合运用L'vov平台,对消除岩石中的基体干扰效果最好,可达到溶样后直接测定的要求。
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| 关 键 词： | 石墨炉 基体改进剂 L'vov平台 碳化物涂层 |
Selection of Ways to Reducing Matrix Interference in the Determination of Pb in Rocks by GFAAS |
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| Li Binxian Zhang Xun Zhang Xiaoming.Selection of Ways to Reducing Matrix Interference in the Determination of Pb in Rocks by GFAAS[J].Journal of University of Science and Technology of China,1993,23(3):325-328. |
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| Authors: | Li Binxian Zhang Xun Zhang Xiaoming |
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| Institution: | Department of Barth and Space Science |
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| Abstract: | The effects of matrix modifiers, graphite tube La Coating and L'vov platform on the determination of Pb in rocks by GFAAS are compared. The results show that the use of ammonium dihydrogen-phosphate and magnesium nitrate as matrix modifiere, thogether with the L'vov platform works best for reducing matrix interference, and measurement is obtained in this way right after sample dissolution. |
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| Keywords: | graphite furnace matrix modifier L'vov platform carbide coating |
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