Table 9 Chemical analysis by XRF [black granite residue].

From: Analysis of the influence of coupling agents on the composition of artificial rocks with polymer matrix

SiO2

Al2O3

K2O

Na2O

CaO

FeO

68.52

11.42

4.03

3.26

1.82

1.68

Fe2O3

MgO

TiO2

P2O5

MnO

Fire Loss

1.22

0.71

0.30

0.12

0.05

6.87

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