| 多波长线性回归—导数吸光光度法同时测定三组分混合物 |
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| 引用本文： | 马波,陈善佳.多波长线性回归—导数吸光光度法同时测定三组分混合物[J].理化检验(化学分册),1994,30(6):337-338. |
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| 作者姓名： | 马波 陈善佳 |
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| 作者单位： | 抚顺石油学院应化系!113001(马波，刘立行，刘冬梅)，东北大学化学系(陈善佳) |
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| 摘 要： | 提出了等吸收点-多波长线性回归-(导数)吸光光度法同时测定三组分混合物的原理,以5-Br-PADAP-溴代十六烷吡啶(CPB)-金属离子显色体系为例,通过测定合成样品及铝合金中的锰、铜、锌.对方法的可行性进行了验证,结果良好.
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| 关 键 词： | 等吸收点-多波长线性回归-导数吸光光度法 锰 铜 锌 铝合金 |
ON THE ANALYSIS OF THREE COMPONENT-MIXTURES BY THE MULTIWAVELENGTH LINEAR REGRESSION-DERIVATIVE SPECTROPHOTOMETRY |
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| Ma Bo,Liu Lihang and Liu Dongmei.ON THE ANALYSIS OF THREE COMPONENT-MIXTURES BY THE MULTIWAVELENGTH LINEAR REGRESSION-DERIVATIVE SPECTROPHOTOMETRY[J].Physical Testing and Chemical Analysis Part B:Chemical Analgsis,1994,30(6):337-338. |
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| Authors: | Ma Bo Liu Lihang and Liu Dongmei |
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| Abstract: | In this paper.the principle of the equal absorbance points-multiwavelength Linear regression-derivative spec-trophotometry is proposed The method is applied to simultaneous determination of manganese,copper and zinc in synthetic samples and aluminium alloy by means of the colour system of 2-(5-bromo-2-pyridylazo)-5-diethylaminophenol-cetylpyridium bromide. The results are satisfactory. |
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| Keywords: | Equal absorbance points-multiwavelength linear regression-derivative spectrophotometry Manganese Copper Zine Aluminium alloy |
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