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- W2352041132 abstract "Objective:To establish a method for determination of vitamin C by FIA-discoloring spectrophotometry. Method:In the medium of HCl,a new FIA-discoloring spectrophotometry for the determination of Vc was proposed based on the discoloring effect of Vc on the reaction between Fe~(3+)and SCN~- and the absorbance drop of red com- plex of Fe~(3+)and SCN~- was proportional to the amount of Vc.The detection wavelength was 480 nm and flow rate was 6.7 mL·min~(-1).Results:Under the optimum conditions,the linear range and detection limit was 0.0-6.4μg· mL~(-1)(r=0.9995)and 0.18μg·mL~(-1)respectively.The sample throughput was 72 samples/h.The proposed method has been successfully applied to the determination of Vc in the Vc tablets,Vc injection and cimetidine tab- lets.Conclusion:The method is simple,accurate and very suitable to determine Vc in batches." @default.
- W2352041132 created "2016-06-24" @default.
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- W2352041132 date "2007-01-01" @default.
- W2352041132 modified "2023-09-27" @default.
- W2352041132 title "Determination of vitamin C by in flow injection discoloring spectrophotometry" @default.
- W2352041132 hasPublicationYear "2007" @default.
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