Sample
Name
delta-Ammonium chloride (phase IV) powder - grains: 32-80µm
Thickness
4.0 $\pm$ 0.1 $mm$
Diameter
16.0 $mm$
Volume
794.0 $mm^3$
Mass
0.345 $\pm$ 0.002 $g$
Surface roughness
smooth
Sample changes
almost fully transformed to delta-Salammoniac (phase IV)
Substrate material
Aluminium
Substrate comments
cylindrical hole, diameter: 16 mm, depth: 4 mm
Comments
formed by solid-solid phase transition of a sample of Salammoniac mineral (beta-, phase II)
Temperature
242.0 $\pm$ 0.5 $K$
Time at T
5.0 $min$
Temperature max
242.8 $\pm$ 0.1 $K$
Comments
recording of the spectrum takes 64 min
Type
purged air
Fluid temperature
242.0 $K$
Fluid pressure
0.805 $bar$
Comments
air is partly dried by condensation of water at bottom of cooled cell
Number
1
Layers