Preparation of porous titania microspheres for HPLC packing by sol-gel method

被引：10
|
作者：
Du, Li-Xia [1 ]
Jiang, Zi-Tao [1 ]
Li, Rong [2 ]
机构：
[1] Tianjin Univ Commerce, Coll Biotechnol & Food Sci, Tianjin Key Lab Food Biotechnol, Tianjin 300134, Peoples R China
[2] Tianjin Univ Commerce, Coll Sci, Tianjin 300134, Peoples R China
来源：
MATERIALS LETTERS | 2013年 / 95卷
基金：
中国国家自然科学基金;
关键词：
Porous materials; Sol-gel preparation; Ceramics; HPLC packing; Titania microspheres; PERFORMANCE LIQUID-CHROMATOGRAPHY; COLUMN PACKINGS; PHASES;
D O I：
10.1016/j.matlet.2012.12.085
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Porous micrometer titania microspheres for HPLC packing were prepared by sol-gel method with titanium isopropoxide (Ti(OPri)(4)) as titanium source. The effects of some factors including H2O, hydrochloric acid (HCl), and acetic acid (HAc) concentrations on the shape, diameter, gelation time, and specific surface area of the titania microspheres were discussed. The obtained titania microspheres were characterized by SEM and BET measurements. The results show that titania microspheres were mostly regular-ball with 5 mu m average particle size, 60.31 m(2)/g surface area, 0.068 mL/g pore volume, and 5.18 nm average pore diameter. (C) 2012 Elsevier B.V. All rights reserved.
引用
收藏
页码：17 / 20
页数：4
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