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1998
DOI: 10.1016/s0039-9140(98)00073-3
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Spectrophotometric determination of organic dye mixtures by using multivariate calibration

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Cited by 34 publications
(11 citation statements)
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“…Colour index name of Türkisblau G133 is reactive blue21 (RB21). This dye is vinyl sulfone dyes and it has chemical class copper-phtalocyanin (C 32 H 16 CuN 8 molecular weight 576.10 g mol −1 ) and reactive linker arms of the following structure R: SO 2 NHC 6 H 4 SO 2 CH 2 CH 2 OSO 3 H (molecular weight of single R = 550 g mol −1 ) [13][14][15][16]. Colour index name of Synozol Red HF-6BN 150% is reactive red195 and this dye has a chemical class monoazo and molecular weight 1136.30 g mol −1 .…”
Section: Chemicals and Materialsmentioning
confidence: 99%
“…Colour index name of Türkisblau G133 is reactive blue21 (RB21). This dye is vinyl sulfone dyes and it has chemical class copper-phtalocyanin (C 32 H 16 CuN 8 molecular weight 576.10 g mol −1 ) and reactive linker arms of the following structure R: SO 2 NHC 6 H 4 SO 2 CH 2 CH 2 OSO 3 H (molecular weight of single R = 550 g mol −1 ) [13][14][15][16]. Colour index name of Synozol Red HF-6BN 150% is reactive red195 and this dye has a chemical class monoazo and molecular weight 1136.30 g mol −1 .…”
Section: Chemicals and Materialsmentioning
confidence: 99%
“…Nas técnicas instrumentais de separação, características como alto custo instrumental e operacional, incluindo geralmente a necessidade de preparação de amostra, dificultam a obtenção de uma análise rápida. No caso dos métodos espectrofotométricos, embora mais acessíveis, apresentam limitada seletividade decorrente das interferências espectrais que resultam em faixas de absorção amplamente sobrepostas (PERALTA-ZAMORA et al, 1998). No entanto, essa questão de seletividade e sobreposição espectral parcial, pode ser contornada utilizando-se métodos de calibração multivariada para obtenção de um modelo matemático que descreva a relação entre as respostas (absorbâncias) e as concentrações dos componentes das amostras (corantes), minimizando custo e tempo da análise.…”
Section: Princípio Da Aditividade Espectrofotométricaunclassified
“…With appropriate mathematical models applied to the analytical data, the model parameters can be obtained to estimate the concentration in the samples. Among those, linear regression, partial least squares regression and principal components regression have been used with success in complex determinations [34,[36][37][38][39].…”
Section: Performance Of the Spectrophotometric Proceduresmentioning
confidence: 99%