Journal of Analytical Methods in Chemistry

Research Article

Simultaneous Determination of Uric Acid and Xanthine Using a Poly(Methylene Blue) and Electrochemically Reduced Graphene Oxide Composite Film Modified Electrode

Table 4

Analytical parameters for individual and simultaneous determination of UA and Xa at PMB-ERGO/GCE.
Measurement method AnalyeAnalysis MethodLinear range  (M)Linear regression equation  
I: μA C: M		Correlation coefficientDetection limit  (M)
IndividualUACV1.00 × 10−7~3.00 × 10−40.9958
SWV8.00 × 10−8~5.00 × 10−40.9933
XaCV1.00 × 10−7~3.00 × 10−40.9942
SWV5.00 × 10−8~4.00 × 10−40.9966
SimultaneousUACV1.00 × 10−7~2.00 × 10−40.9926
SWV8.00 × 10−8~4.00 × 10−40.9940
XaCV5.00 × 10−7~3.00 × 10−40.9931
SWV1.00 × 10−7~4.00 × 10−40.9937