2003•Chinese Journal of Spectroscopy LaboratoryRequires access
Determination of Rutin by Catalytic Kinetic Spectrophotometry
Cui Hui
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Abstract
A catalytic kinetic spectrophotometry method for the determination of rutin was proposed based on the catalysis of rutin to the discoloring reaction of isatin oxidized by potassium dichromate in HCl solutions.The linear range of the determination is 3×10 -3-9×10 -2μg/mL and 0.10- 1.00μg/mL with detection limit of 3×10 -3μg/mL.The method was applied to determine the trace rutin in pharmacertical preparations.