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Citation: Zhao Da-Qing, Zhang Jian-Guo, Wu Yi-Jie, Pei Feng-Kui, Qiu Shi-Lun, Pang Wen-Qin. Study on Framework Structure of SAPO-5 Molecular Sieve[J]. Acta Physico-Chimica Sinica, ;1993, 9(05): 706-708. doi: 10.3866/PKU.WHXB19930526 shu

Study on Framework Structure of SAPO-5 Molecular Sieve

1.
Changchun Institute of Applied Chemistry, Changchun 130022; Department of Chemistry, Jilin University, Changchun 130023

Received Date: 14 March 1992
Available Online: 15 October 1993

SAPO-5 molecular sieves have been synthesized in the presence of HF and tripro-pylamine as template. The substitute routes was investigated by ~(31)P and ~(29)Si MAS NMR, electron probe microanalysis and XPS technique, which suggested that there is no P—O—Si linkage in the framework. The substitution can occur via (1) silicon substitution for phoshorus and (2) simultaneous substitution of two silicon for one aluminium and one phosphorus. The framework of SAPO-5 consists of phospho-aluminosilicate and aluminosilicate.
- Molecular Sieve; SAPO-5; NMR
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