Simultaneous determination of Indigotin
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Sacide AltΔ±nΓΆz; Suna Toptan
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Article
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2003
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Elsevier Science
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English
β 343 KB
Three sensitive and accurate methods for determination of Indigotin and Ponceau-4R in mixtures by Vierordt's method, ratio spectra first order derivative and first order derivative UV spectrophotometry are described. No separation step was required for these novel methods. Ratio spectra first order