Dispersive liquid–liquid microextraction–spectrophotometry combination for determination of rhodamine B in food, water, and environmental samples
作者： Yunus Emre Unsal , Mustafa Soylak , Mustafa Tuzen
DOI: 10.1080/19443994.2014.930699
关键词:
摘要: AbstractA new dispersive liquid–liquid microextraction procedure combined with UV–visible spectrophotometry is described for sensitive and selective determination of rhodamine B. Various analytical parameters such as pH, extraction solvents type volume, sample volumes, time were optimized. Matrix effects concomitants also examined. Preconcentration factor was found to be 330. Detection limit calculated 2.1 μg L−1. The relative standard deviation 4%. validation the developed checked by addition/recovery tests. successfully performed trace levels B in drug, ink, food, cosmetic product, waste waters.
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