Synthesis and Magnetic Properties of a Superparamagnetic Nanocomposite “Pectin-Magnetite Nanocomposite”

Table 4

Magnetisation values for magnetite nanocomposites obtained from different precursors under different synthesis conditions.

Precursors	Synthesis method	Coating agent	Drying method	Morphology	Size (nm)	𝑀𝑠 (emu/g)	References
FeCl3⋅6H2O, FeCl2⋅4H2O, HCl	Coprecipitation with NH4OH	Lauric acid	—	Spherical	9.4	43	[24]
FeCl3⋅6H2O, FeSO4⋅7H2O, OA, UA	Coprecipitation with NH3	Pectin	Air	Spherical	250–600	32.7	[17]
FeCl3⋅6H2O, FeCl2⋅4H2O	Coprecipitation with NH3	Pectin	Oven dry	Spherical	77	59.2	[18]
FeCl3⋅6H2O, FeSO4⋅7H2O, NaOAc	Coprecipitation with KOH	Sodium citrate	Air dry	Hexagonal	6	42.5	[25]
Fe(NO3)3⋅9H2O, FeSO4⋅7H2O	Coprecipitation with NH3	Pectin	Air dry	Spherical	50–200	46.2	[16]
FeCl3⋅6H2O, FeCl2⋅4H2O	Coprecipitation with NH4OH	Pectin	Freeze dry	Cubic	5–18	53	This work
FeCl3⋅6H2O, FeCl2⋅4H2O	Coprecipitation with NH4OH	Pectin	Freeze dry	Cubic	7–13	54	This work

OA: oleic acid; UA: undecylenic acid; 𝑀_𝑠: magnetisation; NaOAc: sodium acetate.