光谱学与光谱分析 |
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Partial Least-Squares Regression Analysis for Simultaneous Spectrophotometric Determination of Fe3+ and Al3+ |
PENG Shu-chuan,HUANG Chuan-hui,CHEN Tian-hu,JIANG Shao-tong, FENG You-liang |
School of Resources and Environment, Hefei University of Technology, Hefei 230009, China |
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Abstract Adding hexodecyltrimethylammonium bromide(CTMAB) to improve solubility and delicacy, and using chromazurol S as a chromogenic reagent, and acetone as a stabilizing reagent, partial least-squares regression(PLS) was used to determine simultaneously trace amounts of Fe(Ⅲ) and Al(Ⅲ) in sythetic samples. Considering the stability of the rays, and the absorption properties of the two ingredients, seven wavelengths between 610 and 670 nm were selected for data collection. As a comparison, the methods of CPA and PLS were used respectively for analysing the data obtained from the experiment, and the results suggested that the latter was much better.
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Received: 2003-10-18
Accepted: 2004-03-06
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Corresponding Authors:
PENG Shu-chuan
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Cite this article: |
PENG Shu-chuan,HUANG Chuan-hui,CHEN Tian-hu, et al. Partial Least-Squares Regression Analysis for Simultaneous Spectrophotometric Determination of Fe3+ and Al3+ [J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2005, 25(06): 942-944.
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URL: |
https://www.gpxygpfx.com/EN/Y2005/V25/I06/942 |
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