X-ray photoelectron and infrared spectroscopies of quartz samples of contrasting toxicity

被引：0
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作者：
Stephen M Francis
W Edryd Stephens
Neville V Richardson
机构：
[1] University of St Andrews,School of Chemistry
[2] University of St Andrews,School of Geography & Geosciences
来源：
Environmental Health | / 8卷
关键词：
Biological Response; Amorphous Silica; Silicosis; Quartz Sample; FTIR Investigation;
D O I：
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学科分类号：
摘要：
An exploratory XPS and FTIR investigation of the surfaces of bulk quartz powders widely used in toxicological studies (DQ12 and Min-U-Sil 5) was carried with the aim of correlating surface features with toxicity as reflected by indicators of biological response. Some patches of amorphous silica were identified as well as varying amounts of calcium but none of these features correlated with biological response. No evidence of widely-quoted surface silanol (SiOH) structures was found in this investigation and the possibility that FTIR artefacts have been previously misidentified as silanol structures is discussed.
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