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Table 1 Spatial correlation analyses of dispersive X-ray spectroscopy (EDS) maps

From: Investigation of Cd(II) sorption by mackinawite (FeS) under anoxic conditions

Batch compositions

Linear correlations

 

0.015 M Cd(II)-added 2 g/L FeS at pH 4.6

(a) IFe = 0.01 + 0.37 ICd

R = 0.77

(b) IS = 0.02 + 1.61 IFe

R = 0.86

(c) IO = 0.00 + 0.21 IFe

R = 0.79

(d) IS = 0.01 + 0.88 ICd

R = 0.96

(e) ICl = 0.00 + 0.14 ICd

R = 0.91

(f) IO = 0.00 + 0.11 ICd

R = 0.85

0.015 M Cd(II)-addeded 2 g/L FeS at pH 7.2

(a) IFe = 0.04 + 0.72 ICd

R = 0.55

(b) IS = 0.05 + 0.38 IFe

R = 0.53

(c) IO = 0.01 + 0.33 IFe

R = 0.97

(d) IS = 0.00 + 0.91 ICd

R = 0.98

(e) ICl = 0.00 + 0.17 ICd

R = 0.97

(f) IO = 0.02 + 0.26 ICd

R = 0.58

0.015 M Cd(II)-addeded 2 g/L FeS at pH 9.8

(a) IFe = 0.13 + 0.62 ICd

R = 0.43

(b) IS = 0.05 + 0.26 IFe

R = 0.36

(c) IO = 0.00 + 0.29 IFe

R = 0.96

(d) IS = 0.01 + 1.02 ICd

R = 0.97

(e) ICl = 0.00 + 0.13 ICd

R = 0.94

(f) IO = 0.04 + 0.14 ICd

R = 0.32

  1. IX is the emission intensity of an element, X