Sample

Inorganic C

SiO2

SO42-

Al2O3

Fe2O3

MgO

CaO

Na2O

K2O

Cr2O3

Commercial CaCO3

54.31

0.49

0.07

0.26

0.07

0.19

58.13

< 0.16

< 0.01

0.04

Produced CaCO3

48.93

1.63

2.41

0.36

0.01

< 0.05

46.84

2.49

0.01

0.04

Table 7: Produced and commercial composition (wt. %) for major oxides, inorganic carbon as determined by XRF and LECO analysis.