Citation:
Song Tianyou, Li Xikai, Xu Ruren. TEMPLATING EFFECT IN THE FORMATION OF ZSM-5 MOLECULAR SIEVE Ⅵ. DETERMINATION OF THE TEMPLATING INDEX FOR COMMON TEMPLATING AGENTS[J]. Chinese Journal of Applied Chemistry,
;1992, 9(2): 42-45.
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On the basis of defining a templating index Kt=λ(STA/TPA+), where STA/TPA+ represents the molar ratio of a secondary templating agent(STA) to tetrapropylammonium cation TPA+,λ represents the ratio of the bond length of STA to the bond length of,TPA+. The templating indexes for seven common templating agents (amines and alcohols) in the formation of ZSM-5 molecular sieve were determined. It is shown through synthesis experiments that the templating index can quantitatively describe the effect of templating agents.
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Keywords:
- ZSM-5 zeolite,
- templating effect,
- templating index
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