Voltammetric Determination of Rhodamine B Using a ZIF-67/Reduced Graphene Oxide Modified Electrode

Table 1

Tolerance limit of interfering species at 5.7 μg.L^-1 RhB.

Interferent	Concentration interferent (mg/L)	Concentration ratio of Interferent/RhB	RSD (%)
Saccharine	570	100	4.2
Glucose	342	60	5
Sodium benzoate	285	50	4.9
Saccharine	285	50	4.2
K2CO3	583	>100	<5
Na2SO4	285	50	4.3
Ca(H2PO4)2	580	>100	<5
NaCl	595	>100	<5