Hexavalent chromium in tricalcium silicate: Part II Effects of CrVI on the hydration of tricalcium silicate

被引：0
|
作者：
O. E Omotoso
D. G Ivey
R Mikula
机构：
[1] University of Alberta,Department of Mining, Metallurgical and Petroleum Engineering
[2] CANMET Western Research Centre,undefined
来源：
Journal of Materials Science | 1998年 / 33卷
关键词：
Transmission Electron Microscopy; Hydrate; Silicate; Chromium; Nuclear Magnetic Resonance;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The composition and structure of hydrated tricalcium silicate (C3S)⊛ pastes admixed with CrVI have been studied. The resultant mixture simulates CrVI waste forms stabilized in ordinary Portland cement. Scanning electron microscopy and transmission electron microscopy were used to identify the microstructural changes accompanying the addition of CrVI solutions to C3S. Energy-dispersive X-ray spectroscopy was used to probe the distribution of chromium in the phases within the hazardous waste forms. Elucidation of the molecular structure of the reaction products was accomplished with Fourier transform infrared and nuclear magnetic resonance spectroscopies.
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页码：515 / 522
页数：7
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