Residual Capability of Alkali Binding by Hydrated Pozzolanic Cements in Long-Service Concrete Structures

Table 5

Results of leaching tests on monolithic specimens of hydrated cement pastes.

Cement	CEM IV/B (P)		CEM IV/B (V)
Leaching medium	Na (mol/l)	K (mol/l)	Na (mol/l)	K (mol/l)
H	0.015	0.048	0.010	0.020
N1	0.046	0.051	0.041	0.018
N2	0.077	0.039	0.076	0.019
N3	0.112	0.043	0.103	0.020
N4	0.140	0.041	0.137	0.021
N5	0.140	0.043	0.141	0.021
N6	0.170	0.046	0.162	0.022
K1	0.026	0.071	0.015	0.036
K2	0.029	0.084	0.015	0.056
K3	0.028	0.123	0.014	0.099
K4	0.019	0.218	0.008	0.198
K5	0.019	0.379	0.009	0.327
K6	0.019	0.672	0.009	0.621