| 双指示剂-催化光度法同时测定痕量铜和铁的研究 |
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| 引用本文： | 董存智,董彦. 双指示剂-催化光度法同时测定痕量铜和铁的研究[J]. 冶金分析, 1999, 19(2): 1-1 |
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| 作者姓名： | 董存智 董彦 |
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| 作者单位： | 淮北煤炭师范学院化学系!淮北,235000,淮北煤炭师范学院化学系!淮北,235000 |
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| 摘 要： | 研究了在盐酸介质中，痕量铜和铁对过氧化氢氧化甲基橙和煌焦油蓝反应的催化作用。基于两种指示剂催化反应的差异，提出了双指示剂催化光度法同时测量痕量铜和铁的新方法，并用于合成试样和铝合金样中痕量铜和铁的测定．
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| 关 键 词： | 催化光度法 同时测定 钢铁 |
Study on Simultaneous Catalytic Spectrophotometric Determination of Trace Copper and Iron with Double Indicators |
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| Dong Cunzhi,Dong Yan. Study on Simultaneous Catalytic Spectrophotometric Determination of Trace Copper and Iron with Double Indicators[J]. Metallurgical Analysis, 1999, 19(2): 1-1 |
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| Authors: | Dong Cunzhi Dong Yan |
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| Abstract: | The catalytic action that trace copper and iron catalyze the reaction of methyl orange and brilliant blue C oxdized by hydrogen peroxide has ho studied in the medium of hydrochloric acid. A new catalytic spectrophotometric method for the simultaneous determination of trace copper and iron with double indicators has ho proposed. It is based on the difference of catalytic reaction rate for the double indicators. The method has been used to determine trace copper and iron in aluminum alloy. |
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| Keywords: | Catalytic spectrphotometry Simultaneous determination Copper Iron |
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