Difference between revisions of "Molecular sieve"
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== Description == | == Description == | ||
| − | Any microporous material that can selectively chemically or physically absorb molecules. Molecular sieves are used in purification and separation processes. Examples of molecular sieves are crystalline aluminophosphates | + | Any microporous material that can selectively chemically or physically absorb molecules. Molecular sieves are used in purification and separation processes. Examples of molecular sieves are crystalline aluminophosphates (also called [[zeolite|zeolites]]), [[montmorillonite]], [[activated carbon]], and [[silica gel]]. Synthetic molecular sieves are produced in a range of pore sizes for specific applications 2, 3, 4, 5, 8, and 10 angstroms in order to provide selective absorption. Most types of molecular sieves are aggressive [[Desiccant|desiccants]]. Molecular sieves are also used in size exclusion chromatography (SEC) to to separate molecules by size. |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
zeolite; molecular trap | zeolite; molecular trap | ||
| + | |||
| + | ==Applications== | ||
| + | * Molecular separation | ||
| + | * Desiccation of air and liquids | ||
| + | |||
| + | ==Resources and Citations== | ||
| + | |||
| + | * Wikipedia: [https://en.wikipedia.org/wiki/Molecular_sieve Molecular sieve] Accessed July 2023 | ||
[[Category:Materials database]] | [[Category:Materials database]] | ||
Latest revision as of 13:40, 14 July 2023
Description
Any microporous material that can selectively chemically or physically absorb molecules. Molecular sieves are used in purification and separation processes. Examples of molecular sieves are crystalline aluminophosphates (also called zeolites), Montmorillonite, Activated carbon, and Silica gel. Synthetic molecular sieves are produced in a range of pore sizes for specific applications 2, 3, 4, 5, 8, and 10 angstroms in order to provide selective absorption. Most types of molecular sieves are aggressive desiccants. Molecular sieves are also used in size exclusion chromatography (SEC) to to separate molecules by size.
Synonyms and Related Terms
zeolite; molecular trap
Applications
- Molecular separation
- Desiccation of air and liquids
Resources and Citations
- Wikipedia: Molecular sieve Accessed July 2023