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Hydrogen (H2):
Physical Properties:
| Molecular Weight |
2.016 kg/kmol |
| Critical Temperature |
-240.0 C |
| Critical Pressure |
13.2 bar |
| Boiling point at 1.013 bar |
-252.8 C |
| Gas density at 1.013 bar |
0.085 kg/m3 |
| Relative gas density to air = 1 |
0.070 |
| Compressibility at 1.013 bar |
1.00 |
Cylinder
Data:
| Colour |
body -
signal red |
| Valve |
left hand - conforming to IS 3224 |
| Water capacity |
47 / 50 ltrs. (standard) |
Gas
Specifications:
| GRADE |
MAXIMUM LEVEL OF CRITICAL IMPURITIES (PPM BY VOLUME) |
|
O2 |
H2O |
THC |
N2 |
CO + CO2 |
| Hydrogen I |
2.0 |
2.0 |
0.5 |
10 |
ND |
| Hydrogen II |
4.0 |
4.0 |
1.0 |
30 |
0.5 |
Some
typical applications:
- Carrier gas in gas chromatography
- Fuel gas for Flame Ionization
Detectors
- Reducing agent in the
electronics industry
- Hydrogenation of vegetable
and animal oils
- Ammonia synthesis
- In HF / DF lasers.
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