Table 6 Surface master species of carbonate surface sites used in PHREEQC.

From: Prediction of electrostatic properties of reservoir rock in low salinity water injection into carbonate reservoirs

Surface site

Master contributing component in the SCM

Density of stone sites (Site/ nm2)

contact surface (m2/g)

mass

(g)

[Ca]

[Ca]OH

4.9

1.8233

2.31

[CO3]

[CO3]H

4.9

1.8233

2.31

[Mg]

[Mg]OH

35.45

0.3936

0.6816

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