Electrochemical Determination of Uric Acid in Urine by Using Zeolite Imidazolate Framework-11 Modified Electrode

Table 2

Tolerance limit of interferent μM in 0.1 M BRB solution pH 7, the mean value of .

Interferents	(μM)	, mean(mμA)	RE (%)
Glucose	0	0.630	0.0
	15	0.620	–3.0
Ascorbic acid	0	0.535	0.0
	15	0.558	4.3
Sodium benzoate	0	0.591	0.0
	15	0.588	–0.5
Saccharine	0	0.590	0.0
	15	0.573	–2.8
Xanthine	10	0.564	0.0
	10	0.548	–2.8
Hypoxanthine	10	0.602	0.0
	10	0.628	4.2
KCl	0	1.183	0.0
	25	1.138	–3.8
Na2CO3	0	0.619	0.0
	25	0.599	–3.2
Na2SO4	0	0.590	0.0
	25	0.583	–1.2
CaCO3	0	0.562	0.0
	25	0.561	–0.3