| Customization: | Available |
|---|---|
| CAS No.: | 7439-90-9 |
| Formula: | Kr |
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| NAME | PURITY(%) | IMPURITY ppm(v/v) | |||||
| O2 | N2 | H2 | Xe | THC | H2O | ||
| UHP Krypton | 99.999 | ≤1 | ≤5 | ≤2 | ≤35 | ≤2 | ≤2.5 |
| Krypton | 99.99 | ≤5 | ≤15 | ≤2 | ≤50 | ≤3 | ≤3 |
Physical properites
| Physical properties | |
| Chemical name | kr |
| Molecular weight | 83.80 |
| Density of the gas at 70°F (21,1°C), 1 atm | 0.2172 lb/ft3, 3.479 kg/m3 |
| Specific gravity of the gas at 70°F (21 ,1°C), 1 atm | 2.899 |
| Specific volume of the gas at 70ºF (21,1°C), 1 atm | 4.604 ft3/lb, 0.287 m3/kg |
| Boiling point at 1 atm | -244.0ºF, -153.4ºC |
| Melting point at 1 atm | -251º F, -157ºC |
| Critical temperature at 1 atm | -82.8ºF, -63.8ºC |
| Critical density | 56.7 lb/ft3, 908 kg/m3 |
| Critical pressure | 798.0 psia, 55.02 bar |
| Triple point | -251.3ºF, -157.4ºC |
| Latent heat of vaporization at normal boiling point | 46.2 Btu/lb, 107.5 kJ/kg |
| Latent heat of fusion at triple point | 8.41 Btu/lb, 19.57 kJ/kg |
|
Specific heat of the gas at 70ºF (21,1°C), 1 atm Cp Cv |
0.060 Btu/(lb) (ºF) 0.251 kJ/(kg) (ºC) 0.035 Btu/(lb) (ºF) 0.146 kJ/(kg) (ºC) |
About Ruiming
Qingdao Ruiming Bluesky Energy Co., Ltd is located at Qingdao, the biggest seaport in China, owns the convenient shipping advantages.
Ruiming are recognized by our customers as offering unparalleled technical knowledge & support resulting in the ability to provide cost effective and competitive solutions. We strive for our customers to enjoy working with us due to our friendly, reliable and professional attitude in all that we do.
This web site is designed to give you a "feel" for the quality of Ruiming as a company and provide you with an overview and technical information of our product ranges. If you cannot find what you are looking for or would like any advice please feel free to contact us - we will do all we can to help you.
Main products:
1. Gas products: Argon gas, helium gas, hydrogen gas, Carbon Oxide (CO2), propane gas, acetylene, Nitrous Oxide, LO2, LN2,LCO2. LNG, ect.
2. All kind of high pressure gas cylinder and welded gas cylinders:
Oxygen Cylinder (GB 5099/ ISO 9809-3/ DOT/ EN standard gas cylinders)
Acetylene Gas cylinder
Liquid Chlorine Cylinder/ Liquid Ammonia Cylinder
3. Liquid nitrogen containers: all kinds of liquid nitrogen containers from 2L to 50L
4. Cryogenic Liquid Cylinder : 175L 195L 210L 495L capacity
5. Liquid storage tank: 5M3, 10 M3, 20M3, 30 M3, 50M3, 100M3, 200M3, ect.
6. Gas equipment: Vaporizer, Manifold, Gas filling pump, ect.
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