Platinum Nanoflower-Modified Electrode as a Sensitive Sensor for Simultaneous Detection of Lead and Cadmium at Trace Levels

Table 1

Comparison of the proposed sensor with other reported methods.

Electrodes	Linear range (µg·L^−1)		Detection limit (µg·L^−1)		Reference
	Pb^2+	Cd^2+	Pb^2+	Cd^2+
ZnFe2O4/GCE	10–130	10–130	0.6	1.3	[33]
Polyaniline/GCE	0–414	0–224	20.7	14.6	[34]
CB-15-crown-5/GCE	10.9–186.5	15.7–191.1	3.3	4.7	[35]
GSH@Fe3O4	0.5–100	0.5–100	0.2	0.2	[1]
Sb-BDDE	50–500	100–500	25.4	38.1	[36]
PtNFs/GCE	1–100	1–100	0.4	0.5	This work

GCE: glassy carbon electrode; CB-15-crown-5: 4-carboxybenzo-15-crown-5; GSH@Fe₃O₄: glutathione functionalized magnetic nanocomposite; Sb-BDDE: antimony nanoparticle-modified boron-doped diamond electrode.