Solvent-free surface functionalized SBA-15 as a versatile trap of nitrosamines

被引：49

作者：

Zhou, CF ^{[1
]}

Wang, YM ^{[1
]}

Cao, Y ^{[1
]}

Zhuang, TT ^{[1
]}

Huang, W ^{[1
]}

Chun, YA ^{[1
]}

Zhu, JH ^{[1
]}

机构：

[1] Nanjing Univ, Dept Chem, Key Lab Mesoscop Chem, Nanjing 210093, Peoples R China

来源：

JOURNAL OF MATERIALS CHEMISTRY | 2006年 / 16卷 / 16期

关键词：

D O I：

10.1039/b514317a

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：

Dispersion of copper oxide via a solvent-free method enables mesoporous silica SBA-15 to become a versatile trap of nitrosamines, exhibiting a high capability to capture volatile nitrosamines and tobacco special nitrosamines (TSNA). 3% CuO/SBA-15 can remove 85% of N-nitrosopyrrolidine (NPYR) in gaseous flow, one fifth more than that by the analogous via one-pot method, while 5% CuO/SBA-15 traps all N-nitrosonornicotine (NNN) in solution with a concentration of 0.6 mmol l(-1), superior to NaY zeolite. The dispersion of the copper guest in SBA-15 is assessed by XRD, H-2-TPR, NO2-TPD and UV-Vis methods.

引用

页码：1520 / 1528

页数：9

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