| 碱性体系—火焰原子吸收光谱法测定铜精粉中的银 |
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| 引用本文： | 任让军.碱性体系—火焰原子吸收光谱法测定铜精粉中的银[J].化工矿产地质,2011,33(3):185-188. |
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| 作者姓名： | 任让军 |
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| 作者单位： | 甘肃省地矿局第四勘查院实验室,甘肃酒泉,735000 |
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| 摘 要： | 用HCl-KClO4-HNO3溶解试样,在10％的氨水介质中,用火焰原子吸收光谱仪于波长328.1nm处,以空气-乙炔火焰测定铜精粉中的银量,克服了酸性体系中测定不稳定的缺点.用铜精粉国家标准物质分析验证,测定结果与标值吻合.方法精密度为2.0％～4.1％,方法检出限为1.3ug/g.方法分析快速简单,易于掌握.
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| 关 键 词： | KC1O4-NH3H20 火焰原子吸收光谱法 铜精粉 银 |
DETERMINATION OF SILVER IN LEAD CONCENTRATE COPPER BY FLAME ATOMIC ABSORPTION SPECTROMETRY IN NH_3H_2O SYSTEM |
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| Ren Rangjun.DETERMINATION OF SILVER IN LEAD CONCENTRATE COPPER BY FLAME ATOMIC ABSORPTION SPECTROMETRY IN NH_3H_2O SYSTEM[J].Geology of Chemical Minerals,2011,33(3):185-188. |
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| Authors: | Ren Rangjun |
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| Institution: | Ren Rangjun No.4 Geological Exploration Institute of Gansu Geology and Mineral Bureau,Jiuquan,Gansu,735000,China |
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| Abstract: | In this paper,a method for the determination of silver in lead concentrate Copper sample by flame atomic absorption spectrometry was developed.The sample was dissolved with HCl-NH4HF2-HNO3-KClO4 and in the medium of 10% NH3H2O,Ag in the sample solution was determined by air-acetylene flame atomic absorption spectrometer at wavelength of 328.1nm.Sampledigestion condition and instrument operation parameters were alsostudied and optimized.The detection of limit was 1.3ug/g for Ag The reliability of the method ... |
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| Keywords: | KClO4-NH3H2O flame atomic absorption spectrometry lead concentrate copper silver |
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