Synthesis, modification, characterization and application of AC@Fe2O3@MnO2 composite for ultrasound assisted dispersive solid phase microextraction of refractory metals in environmental samples
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- 作者：K. Mogolodi Dimpe ; Luthando Nyaba ; Cuma Magoda ; J.C. Ngila ; Philiswa N. Nomngongo ; pnnomngongo@uj.ac.za" class="auth_mail" title="E-mail the corresponding author ; nomngongo@yahoo.com" class="auth_mail" title="E-mail the corresponding author
- 关键词：AC@Fe2O3@MnO2 composite ; Tyre-based activated carbon ; Multivariate optimization ; Refractory metals ; Water samples
- 刊名：Chemical Engineering Journal
- 出版年：2017
- 出版时间：15 January 2017
- 年：2017
- 卷：308
- 期：Complete
- 页码：169-176
- 全文大小：928 K
文摘
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The AC@Fe2O3@MnO2 was used as a sorbent for adsorption of metal ions in water.
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A rapid UA-DSPME method was developed for the preconcentration of refractory metals.
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The UA-DSPME method displayed low detection limits and satisfactory recoveries.