Biopolymer-Modified Carbon Paste Electrode for the Electrochemical Detection of Pb(II) in Water

Table 1

Comparison of the performance of the sensor developed with various electrochemical sensors previously reported.

Modified	Method	Pb(II)		Reference
		Linear range (μM)	LOD (nM)
SPGEs	SWASV	5–80	1.5	[32]
SH-SAAMS	ASV	0.2–1.6	3	[33]
SBA-15-MCPE	DPASV	2–10	400	[34]
Hg-MWCNT	ASV	—	—	[35]
SWCNT-PhSH/Au	ASV	5–90	3	[36]
AuNP-GCE	SWASV	0.2–1	10	[37]
MMT-Ca/CPE	SWASV	3.5–15	105	[38]
Lignin/CPE	SWASV	3–21	0.0225	This work