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Table 3 Atomic percentages of O, Fe, Cl, and Zn from EDX spectrometry measurements for samples prepared without NaOH (0) and with increasing NaOH concentrations: 0.35 (1), 0.70 (2), 1.40 (3) and 2.10 M (4)

From: Preparation of γ-Fe2O3/ZnFe2O4nanoparticles by enhancement of surface modification with NaOH

 

O

Fe

Zn

Cl

Fe:Zn:Cl

Cl:Zn

0

55.75

42.15

0.48

1.62

1:0.011: 0.038

1:0.29

1

57.85

39.97

0.60

1.58

1:0.015:0.040

1:0.38

2

55.41

41.36

1.70

1.53

1:0.041:0.037

1:1.11

3

55.57

39.63

3.15

1.65

1:0.079:0.042

1:1.88

4

53.56

39.51

4.86

2.07

1:0.123:0.053

1:2.32