کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
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5852960 | 1130855 | 2012 | 5 صفحه PDF | دانلود رایگان |

A simple membrane filtration procedure for separation-enrichment of Sudan orange G is presented. The method is based on the adsorption of Sudan orange G on a cellulose acetate filter and its elution from the membrane with 10 mL of ethanol. Sudan orange G in the eluent was determined by UV-visible spectrophotometry at 388 nm. The effect of analytical conditions, including pH, flow rates and eluent, sample volume, type of membrane for quantitative preconcentration and separation of Sudan orange G were examined. The influences of matrix components on Sudan orange G recoveries were studied. The preconcentration factor was 125. The detection limit was 4.9 μg Lâ1. The relative standard deviation was 4.3%. The presented procedure was applied to chili powder, chili sauce, tomato sauce, powdered beverage and water samples.
⺠A membrane filtration procedure for determination of Sudan orange G is presented. ⺠Analytical conditions like pH, flow rates, type of filter were investigated. ⺠The validation of the procedure was performed by the method of standard addition. ⺠The procedure was applied to chili powder and sauce, tomato sauce and water.
Journal: Food and Chemical Toxicology - Volume 50, Issue 8, August 2012, Pages 2709-2713