| CAS No.: | 7439-90-0 |
|---|---|
| Formula: | Kr |
| EINECS: | 231-098-5 |
| 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 |
| Name | Chemical formula | purity(%) | pressure(MPa) | Filling amount(m3/kg) | valve | Cylinder volume(L) | Cylinder size(cm) | Cylinder tare(kg) |
| Krypton | Kr | 99.999% | 13.5 | 5.5 | PX-32 | 40 | 29x145 | 50 |
| 13.5 | 6 | CGA580 | 50 | 32x165 | 55 | |||
| 10 | 1 | PX-32 | 8 | 22x70 | 10 |
1. Krypton is used in some photographic flashes for high speed photograph.
2. Krypton gas is also combined with other gases to make luminous signs that glow with a bright
greenish-yellow light.
3. Krypton is mixed with argon in energy efficient fluorescent lamps, reducing the power consumption, but also reducing the light output and raising the cost.
4. Krypton (along with xenon) is also used to fill incandescent lamps to reduce filament evaporation and allow higher operating temperatures.A brighter light results with more blue color than conventional incandescent lamps.
5. Krypton's white discharge is often used to good effect in colored gas discharge tubes, which are simply painted or stained to create the desired color (for example, "neon" type multi-colored advertising signs are often entirely krypton-based).
6. Krypton-83 has application in magnetic resonance imaging (MRI) for imaging airways. In particular, it enables the radiologist to distinguish between hydrophobic and hydrophilic surfaces containing an airway.
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