Influence of the purity of montmorillonite on its surface modification with an alkyl-ammonium salt
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- 作者：Maryam Veiskarami ; Mehdi Nasiri Sarvi ; mnsarvi@cc.iut.ac.ir" class="auth_mail" title="E-mail the corresponding author ; mehdi.nasiri.sarvi@gmail.com" class="auth_mail" title="E-mail the corresponding author ; Ahmad Reza Mokhtari
- 关键词：Montmorillonite ; Purification ; Hexadecyltrimethylammonium ; Organic modification ; Stable d-value
- 刊名：Applied Clay Science
- 出版年：2016
- 出版时间：February 2016
- 年：2016
- 卷：120
- 期：Complete
- 页码：111-120
- 全文大小：1877 K
文摘
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We purified montmorillonite (Mt) using size fractionation and chemical treatment.
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The characteristics of the modified sample with HDTMA depend on the purity of Mt.
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Mt containing some impurities showed broad 001 reflection after modification.
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The pure Mt showed sharp 001 reflection of XRD result after modification.
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Formation of HDTMA in the interlayer spaces depends on the charge distribution of Mt.