Electrochemistry Application — Synthesis and characterization of Fe3O4-supported metal–organic framework MIL-101(Fe) for a highly selective and sensitive hydrogen peroxide electrochemical sensor

4 measurement groups · 8 results

Reported values remain attached to the sample, method, conditions, extraction quality and source location that produced them.

MIL-101(Fe)@Fe3O4/NGCE sensor · Electrode

H2O2 0-55 mM in N2-saturated 0.1 M PBS, pH 7; scan rate 50 mV s-1

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Bare NGCE H2O2 reduction response	quite weak compared with MIL-101(Fe)@Fe3O4/NGCE	—	—	Qualitative Qualitative	5224 · Electrochemical properties · Fig. 4
Anodic peak current at 55 mM H2O2	200 uA	—	—	Text Rounded Reported	5225 · Electrochemical properties · Fig. 4
Cathodic peak current at 55 mM H2O2	386 uA	—	—	Text Rounded Reported	5225 · Electrochemical properties · Fig. 4

MIL-101(Fe)@Fe3O4/NGCE sensor · Electrode

K3[Fe(CN)6] redox system measured by CV at varied scan rates

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Electroactive surface area	0.56 cm2	—	—	Calculated From Reported Exact Reported	5226 · Electrochemical properties · Eq. 6
Geometric area of GCE	0.0707 cm2	—	—	Text Exact Reported	5226 · Electrochemical properties

MIL-101(Fe)@Fe3O4/NGCE sensor · Electrode

10 mM H2O2 in N2-saturated 0.1 M PBS; pH 4-9; scan rate 50 mV s-1

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Optimum pHMarked as a best value within this paper	pH 9.0	—	—	Text Exact Reported	5226-5227 · Electrochemical properties · Fig. 6

MIL-101(Fe)@Fe3O4/NGCE sensor · Electrode

5 mM H2O2 in PBS pH 7.0; scan rates 10-100 mV s-1

Property	Reported value	Normalised value	Uncertainty	Origin and quality	Source
Anodic peak-current scan-rate regression slope	I_anodic (mA) = 0.0074 v(mV/s)-0.0209; R2 = 0.99	—	R2 = 0.99	Text Exact Reported	5225 · Electrochemical properties · Eq. 4
Cathodic peak-current scan-rate regression slope	I_cathodic (mA) = -0.0153 v(mV/s)-0.0009; R2 = 0.99	—	R2 = 0.99	Text Exact Reported	5225 · Electrochemical properties · Eq. 5