Spectrophotometric simultaneous determination of Amaranth, Ponceau 4R, Allura red and Red 2G by partial least squares and principal component regression multivariate calibration

被引：18

作者：

Berzas-Nevado, JJ ^{[1
]}

Guiberteau-Cabanillas, C ^{[1
]}

Contento-Salcedo, AM ^{[1
]}

Martín-Villamuelas, R ^{[1
]}

机构：

[1] Univ Castilla La Mancha, Dept Analyt Chem & Food Technol, E-13071 Ciudad Real, Spain

来源：

ANALYTICAL LETTERS | 1999年 / 32卷 / 09期

关键词：

Amaranth; Ponceau; 4R; Allura red; Red; 2G; partial least squares regression; principal component regression;

D O I：

10.1080/00032719908542940

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

The multivariate calibration methods, partial least square regression type 1 (PLS 1) and principal component regression (PCR), were proposed for the simultaneous spectrophotometry determination of Amaranth (E-123), Ponceau 4R (E-124), Allura red (E-129) and Red 2G (E-128) in their mixtures. The parameters of the chemometric procedures were optimized and the proposed method was validated-with synthetic samples and applied to analyze these dyes in spiked samples of beverages with satisfactory results.

引用

页码：1879 / 1898

页数：20

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