| 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) |
Q1. What's the MOQ?
A:Different products have different MOQ,Pls feel free to contact with me directly for your requirement.
Q2:What is the delievery time?
A:Depends on your quantity.Normally it will cost 7-10 days for preparation.
Q3:What is the package, storage& transportation details?
A:Package:Steamless steel cylinder with different valves,or as to your requirement.
Stored in shady, cool, dry, eventilated warehouse, and keep away from sunlight and any ramming.
Q4:What is the payment terms?
A:30% T/T in advance, balance against the B/L.
Q5:How to check gas quality?
A: Before filling the gas, the cylinder will be treated carefully, such as cleaning, drying, vacuum pumping and replscement.
Then, we will take tests every treated cylinder to assure them inside purity.
Thirdly, we will take a test for all the gas after fill into the cylinder, to make sure the quality of the gas along with the tested reported.
Q6: If the cylinder recycled and can be refilled gas again?
A: Yes, usually the seamless steel cylinder can recycle to use for 20 years, and also can be refill gas again.
But , when you ordered our cylinder, you have to inform us before exporting, we will handle all the import customs clearance formalities.
Q7:Why choose us?
A: Fast delivery, Factory price and soonest reply within 24 hours.
Please feel free to contact us if you need further information.
Best regards!
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