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Spectrophotometric Simultaneous Determination of Amaranth, Ponceau 4R, Allura Red and Red 2G by Partial Least Squares and Principal Component Regression Multivariate Calibration

 

作者: J.J. Berzas-Nevado,   C. Guiberteau-Cabanillas,   A.M. Contento-Salcedo,   R. Martín-Villamuelas,  

 

期刊: Analytical Letters  （Taylor Available online 1999）
卷期: Volume 32, issue 9  

页码: 1879-1898

 

ISSN:0003-2719

 

年代: 1999

 

DOI:10.1080/00032719908542940

 

出版商: Taylor & Francis Group

 

关键词: Amaranth;Ponceau 4R;Allura Red;Red 2G;Partial Least Squares Regression;Principal Component Regression

 

数据来源: Taylor

 

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.

 

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