Table 1 Water (H2O) (cw) and hydroxyl groups (cOH) contents obtained from TGA for the 3 weeks (OPC-3w) and aged for 4-years (OPC-4y). The degree of hydration (α) is also included.

From: Dynamics of nano-confined water in Portland cement - comparison with synthetic C-S-H gel and other silicate materials

w/c

3-weeks (OPC-3w)

4-years (OPC-4y)

cw [wt %]

COH [wt %]

α

cw [wt %]

cOH [wt %]

α

0.50

30.10

9.80

0.77

20.50

10.50

0.81

0.40

24.50

9.20

0.87

20.50

10.10

0.88

0.30

18.10

8.00

0.88

17.00

9.30

0.88