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CAS 69912-79-4

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Molecular sieves 5A

Description:
Molecular sieves 5A are a type of synthetic zeolite, specifically a crystalline aluminosilicate with a pore size of approximately 5 angstroms. This material is characterized by its ability to selectively adsorb molecules based on size and polarity, making it effective for separating small molecules from larger ones. The "5A" designation indicates that it can effectively adsorb molecules with a kinetic diameter of up to 5 angstroms, such as water, carbon dioxide, and certain hydrocarbons, while excluding larger molecules. Molecular sieves 5A are commonly used in various applications, including gas drying, air separation, and the purification of solvents. They exhibit high thermal stability and resistance to chemical degradation, which enhances their utility in industrial processes. Additionally, these sieves can be regenerated by heating or purging with inert gases, allowing for repeated use. Their high surface area and uniform pore structure contribute to their efficiency in adsorption processes, making them valuable in both laboratory and industrial settings.
Formula:CanNa12n(AlO2)12(SiO2)12xH2O
Synonyms:
  • 5A molecular sieve
  • 5A zeolites
  • 5Asdg
  • Baylith 5A
  • Baylith K 154
  • Hez 55
  • Hfz 20
  • Hfz 33
  • Hfz 55
  • K 154
  • See more synonyms
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