A Low-Cost Layered Double Hydroxide (LDH) Based Amperometric Sensor for the Detection of Isoproturon in Water Using Carbon Paste Modified Electrode

Table 2

Effect of interference ions on the response of the NiAl-LDH/CPE to 25 μM ISO in acetate buffer (pH 4.5).

Interference ions	Added amount over [ISO]	% variation in the anodic peak current (Ip = 100%)
Cl^−	5	0
	25	+32.1
	50	+52.4
NO3^−	5	0
	25	+21.7
	50	+33.21
Orange II	10	+10.9
	25	+21.4
	50	+54.45
HCO3^-	50	+33.26
Al^3+	50	−1.5
Pb^2+	50	−3