Table 2 Cation exchange capacity (CEC) of the bentonite component, and cations and SO4 extracted after contacting the solid with a cobaltihexamine solution

From: Mineralogical and geochemical composition of a cementitious grout and its evolution during interaction with water

CEC (meq 100 g−1)

Cations (meq 100 g−1)

 

SO4 (meq 100 g−1)

 

Na

K

Mg

Ca

NH4

Σ

 

76.0(19)

78.4(11)

1.6(1)

7.7(8)

6.3(18)

0.4(0)

94.2(24)

6.1(1)

  1. Number under brackets are the uncertainty of the last digit (standard deviation, n = 3). Σ stands for “sum of cations”.
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