| 铜、铁与锌试剂的络合吸附波研究铝合金中微量铜、铁的同时测定 |
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| 引用本文： | 林逸兰,蔡素拉.铜、铁与锌试剂的络合吸附波研究铝合金中微量铜、铁的同时测定[J].华侨大学学报(自然科学版),1993,0(2):180-185. |
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| 作者姓名： | 林逸兰 蔡素拉 |
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| 摘 要： | 在4×10-5mol/L ZCO-0.4mol/L NH4Cl-0.6%Na2SO3溶液中,钢(Ⅱ)-ZCO与铁(Ⅱ)-ZCO络合物在单扫描示波极谱仪上可观察到两个灵敏的极谱吸附波,峰电位分别为—0.63V和—0.76V(vs.SCE),峰电流与钢(Ⅱ)铁(Ⅱ)浓度分别在1.3×10-7—2.5×10-5mol/L和3.0×10-7—3.0×10-5mol/L范围内呈线性关系,检测限分别为7.8×10-8mol/L、1.5×10-7mol/L.本文研究了产生钢、铁波的条件,探讨了波的性质、测定出铜(Ⅱ)、
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| 关 键 词： | 铜 铁 锌试剂 铝合金 示波极谱法 |
Polarographic Adsorption Waves of Cu-Zincon and Fe-Zincon complexes Simultaneous Determination of Trace Cu and Fe in Aluminium Alloy |
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| Lin Yilan Cai Sula.Polarographic Adsorption Waves of Cu-Zincon and Fe-Zincon complexes Simultaneous Determination of Trace Cu and Fe in Aluminium Alloy[J].Journal of Huaqiao University(Natural Science),1993,0(2):180-185. |
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| Authors: | Lin Yilan Cai Sula |
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| Institution: | Department of Applied Chemistry |
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| Abstract: | By single-sweep polarography of the solution consisted of 4×10-5mol/L ZCO,0. 4 mol/L NH4Cl and 0.6% Na2SO3,two sensitive polarographic adsorption waves of the com- plexes of Cu-Zincon and Fe-Zincon can be observed,with respective peak potential at—0.63 V |
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| Keywords: | copper iron zincon aluminium alloys oscillographic polarography |
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