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Table 2 Surface complexation parameters used for the calculations based on Schindler et al. [37]

From: Adsorption of dissolved aluminum on sapphire-c and kaolinite: implications for points of zero charge of clay minerals

Species

log K

Al(OH)2+

-5.47

Al(OH)2+

-10.28

Al(OH)3

-16.08

Al(OH)4-

-23.66

SOH2+

4.27

SO-

-9.18

SONa

-9.84

SOAl2+

-0.54

(SO)2Al+

-2.41

  1. C = 2.2 F/m2. Basis: Na+, Al3+, H+, SOH, I = 1 M NaClO4. Ion-exchange was omitted because of the high ionic strength. Site density (TOTSOH) was 39.9 mmol/kg.
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Geochemical Transactions

ISSN: 1467-4866

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