Table 12 Analysis of contents of Ca(OH)2 and CaCO3 by the age of mortar.
From: Evaluation on the Surface Modification of Recycled Fine Aggregates in Aqueous H2SiF6 Solution
Fine aggregates | Ca(OH)2 content (%) | CaCO3 content (%) |
|---|---|---|
NFA (3 days) | 2.96 | 4.54 |
NFA (28 days) | 3.12 | 5.56 |
RFA (3 days) | 2.71 | 5.33 |
RFA (28 days) | 2.42 | 4.65 |
Modified RFA (3 days) | 2.18 | 3.97 |
Modified RFA (28 days) | 2.22 | 5.54 |