Page 114 - Handbook of Thermal Analysis of Construction Materials

Section 6.0 - Hydration 97

corresponds to 0.12 mol Ca out of the 2 mol present in the sample. All Ca
in the C-S-H phase is equally reactive.

Figure 20. Amount of lime remaining in C S paste at different times of extraction.
3

Table 3. Extent of Reaction of AgNO with Different Reactants (with
3
permission: Nature)

Sample Reactants Extent of Reaction Amount of Ca Amount of Ca
No. Reactant:AgNO 3 in the Reactant Reacted
(Wt) (Mol) (Mol)

1 CaO 1:5.8 1 0.96
2 Ca(OH) 2 1:4.6 1 1.00
3 3CaO•SiO 1:1.21 3 0.81
2
4 β-2CaO•SiO 1:4.2 2 0.12
2
5 Hydrated 3CaO•SiO 2 1:3.74 6 5.99