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By Karpińska Joanna   Wiszowata Aneta   Skoczylas Marta  

Analytical Letters, Vol. 39, Iss. 6, 2006-05 ,pp. : 1129-1141

Taylor & Francis Ltd

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Simultaneous determination of Indigotin and Ponceau-4R in food samples by using Vierordt's method, ratio spectra first order derivative and derivative UV spectrophotometry

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Journal of Food Composition and Analysis, Vol. 16, Iss. 4, 2003-08 ,pp. : 517-530

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Determination of Tartrazine and Ponceau-4R in Various Food Samples by Vierordt's Method and Ratio Spectra First-Order Derivative UV Spectrophotometry

By Altιnöz S.   Toptan S.  

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Academic Press

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Simultaneous determination of chlorophyll a and chlorophyll b by derivative spectrophotometry

By Ergun Emel  

Analytical and Bioanalytical Chemistry, Vol. 379, Iss. 5-6, 2004-07 ,pp. : 803-811

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Simple and Simultaneous Method for Determination of Palladium(II) and Ruthenium(III) using Second-Order-Derivative Spectrophotometry

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Analytical Letters, Vol. 42, Iss. 1, 2009-01 ,pp. : 84-93

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