Data For Elemental Deuterium
Formula: D2 or 2
1H2
- Density: 0.180 kg/m3 at STP (0 °C, 101.325 kPa).
- Atomic weight: 2.0141017926 u.
- Mean abundance in ocean water (from VSMOW) 155.76 ± 0.1 ppm (a ratio of 1 part per approximately 6420 parts), that is, about 0.015% of the atoms in a sample (by number, not weight)
Data at approximately 18 K for D2 (triple point):
- Density:
- Liquid: 162.4 kg/m3
- Gas: 0.452 kg/m3
- Viscosity: 12.6 µPa·s at 300 K (gas phase)
- Specific heat capacity at constant pressure cp:
- Solid: 2,950 J/(kg·K)
- Gas: 5,200 J/(kg·K)
Read more about this topic: Deuterium
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