Table 2 Main chemical composition of the experimental soil.

From: Effect of xanthan gum on mechanical strength and microstructure of Cu (II)-contaminated soil subjected to freeze–thaw cycles

Ingredients

SiO2

MgO

CaO

Al2O3

Fe2O3

K2O

Na2O

TiO2

Content (%)

63.90

2.19

3.66

18.69

6.45

2.59

0.74

0.95

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