Table 6 Numerical data of EDX analysis for NiFe2O4 and NiFe2O4@g-C3N4 nanocatalysts.

From: Upgrading of NiFe2O4 via decoration of g-C3N4 nanoparticles to a magnetic catalyst for the ultrasound-assisted production of biodiesel

Element

NiFe2O4

NiFe2O4@g-C3N4

W (%)

A (%)

W (%)

A (%)

O

38.21

50.84

28.04

41.46

Fe

33.72

26.67

25.83

19.52

C

0

0

25.31

30.21

Ni

28.07

22.49

12.08

5.16

N

0

0

8.74

3.65

Total

100

100

100

100

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