Sample
Name
Portlandite 96% Sigma-Aldrich Tambient air
Date
2011-05-12
Provider
IPAG
Substrate material
KBr window, 3mm thickness, 12mm diameter
Comments
dispersion of agglomerate grains on the substrate
Temperature
22.0 ± 2.0 C
Time at T
10.0 ± 5.0 min
Temperature max
22.0 ± 2.0 C
Time at Tmax
10.0 min
Type
ambient air
Fluids
Fluid temperature
22.0 ± 2.0 C
Fluid pressure
1.0 bar
Time at T, P, pH
10.0 ± 5.0 min
Title
Freezing and pumping ambiant air in an environmental chamber for carbonation process on portlandite

Precursors

Matters

Produced sample

Materials
Processing steps
Step Chronology Date Type Process Changes
#1 during layer formation 2011-05-12 layer formation manual compression slightly compressed grains. Dispersed agglomerate of grains placed in the cell under ambient temperature and air
#2 after sample formation 2011-05-12 chemical kept 10 min under ambient temperature and air (H2O and CO2) The carbonation process started during and after sample preparation under ambiant air. slight reaction of CO2 with Portlandite