机械化学
同步辐射
球磨机
光束线
材料科学
原位
衍射
同步加速器
分析化学(期刊)
化学
纳米技术
梁(结构)
光学
物理
色谱法
冶金
有机化学
作者
Iván Halász,Tomislav Friščić,Simon A. J. Kimber,Krunoslav Užarević,Andreas Puškarić,Cristina Mottillo,Patrick Julien,Vjekoslav Štrukil,V. Honkimäki,Robert E. Dinnebiér
出处
期刊:Faraday Discussions
[The Royal Society of Chemistry]
日期:2014-02-19
卷期号:170: 203-221
被引量:71
摘要
An experimental technique for in situ and real-time monitoring of mechanochemical reactions in a shaker ball mill was recently described, which utilises highly penetrating X-ray radiation available at the ID15B beamline of the European Synchrotron Radiation Facility. Herein, we describe the first attempts to perform such reaction monitoring in a quantitative fashion, by introducing an internal X-ray diffraction standard. The use of silicon as an internal standard resolved the issue with variations of the amount of the sample in the X-ray beam due to the non-uniform distribution of the sample in the reaction jar and allowed, via Rietveld analysis, the first quantitative estimate of the amorphous phase content in a mechanochemical reaction as it is being milled. We also highlight problems associated with the non-ideal mixing of the reaction mixture.
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