FTIR and TPD studies on the adsorption of pyridine, n-butylamine and acetic acid on calcium hydroxyapatite

被引：60

作者：

Tanaka, H ^{[1
]}

Watanabe, T ^{[1
]}

Chikazawa, M ^{[1
]}

机构：

[1] Tokyo Metropolitan Univ, Fac Engn, Dept Ind Chem, Hachioji, Tokyo 19203, Japan

来源：

JOURNAL OF THE CHEMICAL SOCIETY-FARADAY TRANSACTIONS | 1997年 / 93卷 / 24期

关键词：

D O I：

10.1039/a705896i

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Colloidal calcium hydroxyapatite (CaHAP) particles synthesized by a wet method and calcined at different temperatures up to 900 degrees C have been characterized by various means. The adsorption species and sites on the CaHAP surface for pyridine, n-butylamine and acetic acid were clarified by FTIR and TPD. These molecules were shown to be adsorbed by hydrogen-bonding to the surface P-OH groups. The surface P-OH groups of CaHAP were removed by outgassing above 600 degrees C to produce surface P-O-P groups. The n-butylamine is hydrogen bonded to the surface P-O-P species.

引用

页码：4377 / 4381

页数：5

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