Effect of temperature on Hg-cysteine complexes in vermiculite and montmorillonite

Daniele Malferrari,Maria Franca Brigatti,Augusto Marcelli,Wangsheng Chu,Ziyu Wu

Applied Clay Science（2010）

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摘要

This study describes the influence of temperature on two Hg(II)-cysteine modified clay minerals with different layer charges (i.e., montmorillonite and vermiculite) by using chemical and thermal analyses coupled with evolved gas mass spectrometry (TGA-MSEGA), synchrotron-based X-ray absorption spectroscopy (XAS), and X-ray powder diffraction (XRPD) techniques; these two latter techniques were applied on samples heated “in situ” up to 900°C.

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关键词

Cysteine,Hg,Montmorillonite,Thermal behaviour,Thermal analyses,Vermiculite,X-ray absorption spectroscopy

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