Characterisation of TiO2 pigments by 27Al NMR

被引：3
作者：
Magnenet, C
Massiot, D
Klur, I
Coutures, JP
机构：
[1] CNRS, Ctr Rech Phys Hautes Temp, F-45071 Orleans 2, France
[2] Rhone Poulenc Rech, F-93308 Aubervilliers, France
来源：
JOURNAL DE CHIMIE PHYSIQUE ET DE PHYSICO-CHIMIE BIOLOGIQUE | 1998年 / 95卷 / 02期
关键词：
TiO2; pigment; Al-27; NMR; MQ-MAS; CP-MAS; REDOR;
D O I：
10.1051/jcp:1998137
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
Titanium oxide pigments, coated with SiO2-AlO3 system, prepared following four different synthesis ways, have been characterised by Al-27 high resolution solid-state NMR. The spectra of these "model" pigments depend upon the synthesis path and the annealing temperature. MQ-MAS experiments are used to separate the different contributions, which overlap in the usual single pulse experiment MAS spectrum. From CPMAS and REDOR experiments, it is possible to describe further the different Al-6 species evidenced by MQ-MAS.
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页码：310 / 316
页数：7
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