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- W349434712 abstract "Payame Noor University PNU, Shiraz, 71365-944, Iran *Corresponding Author: Tel: +98 917 3153520, Fax: +98 711 2292889 Email: tavallali@pnu.ac.ir,tavallali@yahoo.com Abstract: A micelle-mediated phase separation method for preconcentration of Brilliant Green (BG) by using spectrophotometer has been developed. The method is based on the cloud point extraction of BG in pH 3.5 mediated by micelles of nonionic surfactant Triton X-100. The extracted surfactant–rich phase was diluted with ethanol and its absorbance was measured at max (628 nm). The effect of different variables were evaluated and optimized to enhance the sensitivity and extraction efficiency of the proposed method. The calibration graph was linear in the rang of 0.050-2.0 g ml of BG in the initial solution with r=0.9993. Detection limit based on three times the standard deviation of the blank was 0.015 g ml and the relative standard deviation for 0.10 and 1.0 g ml of BG were 2.7 and 1.8 % respectively. The method was applied to determine of BG in different fish farming and water samples which gave satisfactory results." @default.
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- W349434712 date "2009-01-01" @default.
- W349434712 modified "2023-09-24" @default.
- W349434712 title "Trace spectrophotometric determination of brilliant green in fish farming water samples." @default.
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