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Table 3 Summary of magnetite nanoparticles synthesis by Sol-Gel method

From: Synthesis, stability, and emission analysis of magnetite nanoparticle-based biofuels

Precursors

Annealing temp. (°C)

Particle size (nm)

Ref

2.35g of Fe (III) and 8.35g of Fe (II) dissolved in 60 ml of ethylene glycol

200

2.02

[82]

300

5.58

400

8.35

2.70g of FeCl3·6H2O and 0.995g of FeCl2·4H2O dissolved in 10ml ethanol

250-400

9~12nm

[88]

Ferric Nitrate dissolved in ethylene glycol

200

28.9

[87]

300

88.7

400

67.6

6 g of Iron (III) acetylacetonate dissolved in a 36 ml methanol.

_

8

[89]

0.2M of ferric nitrate in ethylene glycol

200

7.8

[90]

1M of ferric nitrate in ethylene glycol

13.8

0.2 mol of ferric nitrate dissolved in 100 ml ethylene glycol

200–400

18

[91]

Ferric Nitrate dissolved in ethylene glycol

500

50

[92]

0.2 M dehydrated ferric chloride and 0.1 M hydrated ferrous sulphate

200

18.21

[87]

1:2 ratio of iron nitrate and citric acid were dissolved in distilled water

400

10-18

[93]

4.04g Ferric Nitrate dissolved in 50 ml ethylene glycol

400

20-40

[94]

16.159 g of ferric nitrate dissolved in 25 ml of ethylene glycol

250

18.46

[95]

300

27.68

1:0.8 M of Ferric nitrate and citric acid dissolved in 113ml of deionized water

450

3-20

[96]

32.3 mg of iron nitrate dissolve in 30 ml of ethylene glycol

300

 

[97]

14 g of iron (III) nitrate dissolved in 55 g of ethylene glycol

300

15 nm

[98]