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

3 structured synthesis routes

Completeness describes how fully the route could be reconstructed from the main article and supporting information.

Vague recipeSource: Main

5222 · Preparation of Fe3O4@MIL-101(Fe) nanoparticles

Metal precursorsnot fully reported in this paper

Solventsnot fully reported in this paper

Additivesmercaptoacetic acid / MAA modification reported

Show 1 structured reagent record

Role	Reagent	Amount / concentration	Source
Additive	Mercaptoacetic acid (MAA)	Not specified	5222 · Preparation of Fe3O4@MIL-101(Fe) nanoparticles

Partial recipeSource: Main

5222 · Preparation of Fe3O4@MIL-101(Fe) nanoparticles

Metal precursorsFeCl3.6H2O, 10 mM

Linker precursorsH3btc, 10 mM

Solventsethanol washing; water or unspecified dispersion medium

AdditivesMAA@Fe3O4 nanoparticles

Atmospherevacuum during final drying

Temperature70 C for H3btc step; 200 C vacuum drying

Time0.25 h FeCl3 step; 0.5 h H3btc step; cycle repeated 21 times

Work-upmagnetic separation and washing with plenty of ethanol after FeCl3 step and after H3btc step

Activationdried under vacuum at 200 C

Show 4 structured reagent records

Role	Reagent	Amount / concentration	Source
Other	MAA@Fe3O4 nanoparticles	100 mg	5222 · Preparation of Fe3O4@MIL-101(Fe) nanoparticles
Metal Source	FeCl3.6H2O	10 mM	5222 · Preparation of Fe3O4@MIL-101(Fe) nanoparticles
Linker	H3btc	10 mM	5222 · Preparation of Fe3O4@MIL-101(Fe) nanoparticles
Solvent	ethanol	plenty for washing	5222 · Preparation of Fe3O4@MIL-101(Fe) nanoparticles

Partial recipeSource: Main

5222 · Preparation of the MIL-101(Fe)@Fe3O4/NGCE sensor

Solventsethyl alcohol, water; ethyl alcohol/water 1:1 for cleaning; methyl alcohol and water rinse

AdditivesNafion 5% dispersion

AtmosphereN2 stream for electrode drying before modification

Temperature70 C drying after drop moulding

Timesonication 1 h; final drying approximately 1 h

Substrate orientationglassy carbon working electrode

Work-upGCE polished with 1.0, 0.3 and 0.05 um Al2O3; sonicated at least 10 min; rinsed/shaken with methanol and water

Activationdried at 70 C for approximately 1 h

Show 4 structured reagent records

Role	Reagent	Amount / concentration	Source
Other	MIL-101(Fe)@Fe3O4	1.0 mg/mL	5222 · Preparation of the MIL-101(Fe)@Fe3O4/NGCE sensor
Additive	nafion (5%) dispersion in ethyl alcohol	0.5 mg/mL	5222 · Preparation of the MIL-101(Fe)@Fe3O4/NGCE sensor
Solvent	water	Not specified	5222 · Preparation of the MIL-101(Fe)@Fe3O4/NGCE sensor
Solvent	ethyl alcohol	Not specified	5222 · Preparation of the MIL-101(Fe)@Fe3O4/NGCE sensor