China High Purity Factory Price Wholesale 99.999% Kr Cylinder Gas Krypton

Product Description

Krypton is a chemical element with the symbol Kr and atomic number 36. Here are some key points about krypton:

1. Chemical Symbol: Kr
2. Atomic Number: 36
3. Atomic Weight: 83.798 atomic mass units
4. State at Room Temperature: Krypton is a colorless, odorless, and tasteless gas. It belongs to the group of noble gases in the periodic table.
5. Noble Gas: Like other noble gases, krypton is chemically inert and does not readily react with other elements. It has a full outer electron shell, making it stable and unreactive under normal conditions.
6. Occurrence: Krypton is a rare element and is present in trace amounts in the Earth's atmosphere, estimated to be around 1 part per million. It is obtained as a byproduct of the separation of air during the production of liquid oxygen and nitrogen.
7. Uses: Krypton has several applications in various industries. It is used in certain types of lighting, such as in krypton-filled incandescent bulbs and fluorescent lamps. Krypton is also used in lasers, especially in high-power gas lasers, where it can produce intense, focused beams of light. In addition, krypton is used in certain types of photographic flashes and as a filling gas in double-pane windows to enhance their insulating properties.
8. Isotopes: Krypton has several stable isotopes, including krypton-84, krypton-86, krypton-82, and krypton-83. Krypton-81 is a radioactive isotope with a long half-life and is used in dating geological and archeological materials.
9. Medical Imaging: Krypton-81m, a radioactive isotope of krypton, is used in nuclear medicine for lung ventilation studies. It can be inhaled, and its distribution in the lungs can be imaged to assess lung function.
10. Compounds: Krypton is generally unreactive and does not readily form compounds under normal conditions. However, it is known to form a few unstable compounds, such as krypton difluoride (KrF2), under extreme conditions.