Processes > Surface Complexation

Ion exchange model

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Emile:
Hello,

I am trying to work on ion exchange of Na by Cs and Sr in PHREEQC but I can't find the selectivity coefficients (log k) of the 2 cations towards Na.

Could someone help me with that or share a document to consult?

Many thanks,
Emile 

dlparkhurst:
You will have to look more for Cs, but Sr is defined in the EXCHANGE_SPECIES data block of the phreeqc.dat and other databases.

Emile:
Thank you so much.

I got the of Sr.

still looking for that of Cs

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