Solubility > Dissolution/precipitation

Ion pairing

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kurtd:
Hello everyone,

I am new to phreeqc. I have a data set I would like to calculate saturation indices for. Does the software compute probable ion pairs? And automatically take them into account when calculating saturation indices?

Thank you!

dlparkhurst:
Yes.

Ion association models account for ion pairs in the calculation of saturation indices.

The Pitzer specific-ion-interaction model also includes a few ion pairs.

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