CORRECTION FOR FLUORESCENCE RESPONSE SHIFTS IN POLYAROMATIC HYDROCARBON MIXTURES WITH AN INNOVATIONS-BASED KALMAN FILTER METHOD

被引：32

作者：

CECIL, TL ^{[1
]}

RUTAN, SC ^{[1
]}

机构：

[1] VIRGINIA COMMONWEALTH UNIV,DEPT CHEM,BOX 2006,RICHMOND,VA 23284

来源：

ANALYTICAL CHEMISTRY | 1990年 / 62卷 / 18期

关键词：

D O I：

10.1021/ac00217a019

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

A Kaiman filter based method for the correction of spectral response shifts In overlapped fluorescence spectra of poly-cycllc aromatic hydrocarbons (PAHs) has been developed. An Iterative approach Is shown to correct spectral response shifts of PAHs In methanol, acetonltrlle, and tetrahydrofuran hydro-organic solvent mixtures. It Is also shown that correction for shifts In overlapped spectral responses consisting of up to three components Is feasible. The correction of shifts of up to 10 nm in severely overlapped spectra is shown to be possible, as well. The use of this method is shown to significantly Improve the quality of the fit and yields more accurate concentration estimates of the Individual contributions of overlapped fluorescence responses as compared to a regular Kaiman fit. © 1990, American Chemical Society. All rights reserved.

引用

页码：1998 / 2004

页数：7

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