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KANGYU Molecular Sieve 4A Adsorbent Introduction: Molecular Sieve 4A Adsorbent is an alkali alumino silicate; it is the sodium form of the Type…
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KANGYU Molecular Sieve 4A Adsorbent Introduction: Molecular Sieve 4A Adsorbent is an alkali alumino silicate; it is the sodium form of the Type A crystal structure. 4A molecular sieve has an effective pore opening of about 4 angstroms (0.4nm). KANGYU type 4A molecular sieve will adsorb most molecules with a kinetic diameter of less than 4 angstroms and exclude those larger. Such adsorbable molecules include simple gas molecules such as oxygen, nitrogen, carbon dioxyde and straight chain hydrocarbons. Branched chain hydrocarbons and aromatics are excluded... Typical Chemical Formula Na2O . Al2O3 . 2SiO2 . 4.5 H2O SiO2 : Al2O3 ≈2
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