Sample
Name
Ammonium hydrogen phosphate powder (Phase beta) - grains: 32-80µm
Date
2021-10-29
Thickness
4.5 $\pm$ 0.1 $mm$
Diameter
18.0 $mm$
Volume
1145.0 $mm^3$
Mass
0.614 $\pm$ 0.005 $g$
Surface roughness
smooth
Sample changes
fully transformed to phase beta of Diammonium hydrogen phosphate during cooling to 110K
Substrate material
Aluminium
Substrate comments
cylindrical hole, diameter: 18 mm, depth: 4.5 mm
Comments
formed from phase gamma below 174K
Temperature
150.0 $\pm$ 0.5 $K$
Comments
recording of the spectrum takes 62 min
Type
molecular gas
Fluids
Fluid temperature
150.0 $K$
Fluid pressure
10.0 $mbar$
Comments
high purity N2 gas
Number
1
Layers