CJCU

Chem. J. Chinese Universities ›› 1986, Vol. 7 ›› Issue (3): 197.

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Hetero-Atom Molecular Sieve (Ⅵ)—The Synthesis and the Properties of B-Si Pentasil Type Molecular Sieve in the System of Na2O-SiO2-H3BO3-H2O

Li Guowen, Pang Wenqin, Huo Qisheng, Qiu Shilun, Zhu Xing, Xu Yihua   

  1. Department of Chemistry, Jilin University, Changchun
  • Received:1984-10-31 Online:1986-03-24 Published:1986-03-24

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Abstract: B-Si pentasil type molecular sieve has been synthesized in a Na2O-SiO2-H3BO3-H2Osystem, by using directing agent. The ternary crystallization area for the molecular sieve was obtained in the reaction mixture. The suitable ranges for the composition of the reaction mixtures have been found. The kinetic process of the crystal growth and transformation of metastable phase were investigated for the molecular sieve.By using high vacuum adsorption methods TGand DTA, the adsorption and the thermal stable properties were determined for this molecular sieve respectively.

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