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- W2362945503 abstract "Objective To establish an HPLC method to determine sudan Ⅰ-Ⅳ and dye para red in the lipstick. Methods The samples were extracted with the acetonitrile, after centrifuge and filter, the extracted solution was tested by HPLC-UV and the external standard method was employed to do the quantitative analysis. Results As the concentrations was 1.0 mg/kg, the mean recovery rates were 93%-97%, the RSD was less than 4.6%, the detection limit was 0.05 mg/kg and the linear range was 0.2-5.0 mg/kg(the correlative coefficient ranged 0.998 5-0.999 8). Conclusion This method is simple, accurate, rapid and applicable to the determination of sudan I-IV and dye para red in the lipsticks." @default.
- W2362945503 created "2016-06-24" @default.
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- W2362945503 date "2007-01-01" @default.
- W2362945503 modified "2023-09-27" @default.
- W2362945503 title "Determination of Sudan I-IV and Dye Para Red in Lipstick by HPLC" @default.
- W2362945503 hasPublicationYear "2007" @default.
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