Table 1 Parameters characterizing the translational motion of water in the capillary (C) and gel pores (G) for 28 days old OPC and SCSA 300 K, ΔE (FWHM) = 17.5 μeV. Values of bulk water as well as for OPC obtained with energy resolutions of 98 and 30 μeV are given, see Ref. 23 for details

From: Nano-scale hydrogen-bond network improves the durability of greener cements

Sample

t0 (ps)

Dt (10−9 m2/s)

Bulk water

1.57 ± 0.12

2.49 ± 0.07

OPC w/c = 0.4223

10 ± 1

1.24 ± 0.08 mainly C water

 

51 ± 3

0.6 ± 0.1 mainly G water

OPC w/c = 0.45

2.1 ± 0.3

2.5 ± 0.4 for Γ1

 

32.3 ± 0.5

0.28 ± 0.04 for Γ2

SCSA w/c = 0.45

2.21 ± 0.02

2.49 ± 0.02 for Γ1

 

41.9 ± 0.3

0.16 ± 0.01 for Γ2