Table 4.

Comparison of the proposed method with other methods for the determination of metronidazole.

Method	Linear Range (mol L−1)	LOD (mol L−1)	Ref.
Flow-injection chemiluminescence method	1.46 × 10−7–4.38 × 10−3	6.31 × 10−10	[36]
Electrochemical detection	1 × 10−9–2 × 10−6	1 × 10−8	[37]
Electrochemical method	1 × 10−7–2.5 × 10−5	4.7 × 10−8	[38]
Electrochemical technique	5 × 10−7–4 × 10−4	3.7 × 10−7	[39]
Electrochemical sensor	9.99 × 10−10–1.20 × 10−6	2.874 × 10−10	[40]
Kinetic spectrophotometric H-point standard addition method	2.92 × 10−5–1.46 × 10−4	4.85 × 10−6	[41]
Reversed-phase high performance liquid chromatography	5.84 × 10−5–4.09 × 10−4	1.93 × 10−6	[42]
Electrochemical reduction	2.5 × 10−8–1 × 10−5	6 × 10−9	[43]
High performance liquid chromatography	7.60 × 10−7–1.75 × 10−3	7.60 × 10−7	[44]
Spectrophotometric determination	5.84 × 10−6–9.93 × 10−5	-	[45]
Electrochemical sensor	6 × 10−14–4 × 10−12	2 × 10−14	[46]
Ion Mobility Spectrometry	2.92 × 10−7–4.09 × 10−4	2.57 × 10−8	[47]
Cathodic stripping voltammetric method	3.30× 10−10–4.49 × 10−6	2.10 × 10−10	[10]
Turn-off FCNs	2.5 × 10−6–2.25 × 10−4	2.79 × 10−7	This work