| 优化偏最小二乘光度法同时测定铑铱钯的研究 |
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| 引用本文： | 王洪艳,吴敬.优化偏最小二乘光度法同时测定铑铱钯的研究[J].岩矿测试,1998,17(3):161-166. |
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| 作者姓名： | 王洪艳 吴敬 |
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| 作者单位： | 长春科技大学化学系,长春,130026 |
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| 摘 要： | 采用局部加权、随机矩阵法等步骤，使建立的校准模型能充分反映未知样品的数字结构特征，达到优化的目的，从而改善偏最小二乘法在处理实际未知样品数据时的解析能力，以提高计算结果的精度。用该优化偏最小二乘法对模拟地质样品中痕量贵金属Ｒｈ、Ｉｒ、Ｐｄ进行多组分光度测定，其分析结果的相对误差均小于１０％；分别测定９．５μｇ／Ｌ、３５．０μｇ／Ｌ、６６．０μｇ／Ｌ含量的Ｒｈ、Ｉｒ和Ｐｄ７次，其标准偏差Ｒｈ为０．２；Ｉｒ为１．１；Ｐｄ为２．０。
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| 关 键 词： | 偏最小二乘法 多组分光度分析 铑 铱 钯 |
| 修稿时间： | 1997-09-11 |
Study on Simultaneously Spectrophotometric Determination of Rh, Ir and Pd in Simulated Geological Samples by Optimized Partial Least Squares |
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| Wang Hongyan,Wu Jing,Sha Zhifang,Wang Duoxi,Chen Shugui,Wang Yinghua.Study on Simultaneously Spectrophotometric Determination of Rh, Ir and Pd in Simulated Geological Samples by Optimized Partial Least Squares[J].Rock and Mineral Analysis,1998,17(3):161-166. |
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| Authors: | Wang Hongyan Wu Jing Sha Zhifang Wang Duoxi Chen Shugui Wang Yinghua |
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| Institution: | Wu Shunying Ma Xiaoming Xu Xiao Xu Xiaojun Zhejiang University Hangzhou 310027 |
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| Abstract: | Mechanisms of bubble nucleation,growth and solidification of cellular plastics are reviewed based on comprehensive analysis on the recent development of extrusion cellular plastics.Three types of nucleation mechanism and their main influence factors are also discussed in details. |
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| Keywords: | Cellular plastic Nucleation Bubble growth Solidification !! TIAAAAA TXEstablishing of Regression Model Equation ?Application of Regression Analysis in Ceramics Polynary $$$$ Zhang Wenli Hebei Institute of Technology Tangshan 063009 |
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