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

Table 3

The relationship between scan rate, peak current, and peak potential.

Analye	The relationship between scan rate and peak current			The relationship between scan rate and peak potential
	Scan rate range; v: V·s^−1	Linear regression equation; I: μA v: V·s^−1	Correlation coefficient	Scan rate range; v: V·s^−1	Linear regression equation; E: V v: V·s^−1	Correlation coefficient
UA	0.04~0.28		0.9948	0.04~0.20	+	0.9909
Xa			0.9922			0.9927