Magnetic and structural characteristics associated with the transformation of As(v)-coprecipitated ferrihydrite to hematite: implications for magnetic enhancement in soils and sediments

Author:

Zhang Guoqing1ORCID,Tang Yixuan1,Lin Jinru2,Xu Jiaxing1,Yuan Zidan2,Chen Lingyun1,Wu Fei3,Liu Chengshuai3,Zhu Zongmin4,Bi Xiangyang4,Zou Wei1,Cao Zhiguo1,Jiang Kai1,Pan Yuanming5,Chernikov Roman6,Jia Yongfeng2,Wang Shaofeng7ORCID

Affiliation:

1. School of Environment, Key Laboratory for Yellow River and Huai River Water Environment and Pollution Control, Ministry of Education, Henan Key Laboratory for Environmental Pollution Control, International Joint Laboratory on Key Techniques in Water Treatment, Henan Normal University, Xinxiang 453007, China

2. Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110016, China

3. State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang, 550081, Guizhou Province, China

4. School of Earth Sciences, China University of Geosciences, Wuhan 430074, China

5. Department of Geological Sciences, University of Saskatchewan, Saskatoon, SK S7N 5E2, Canada

6. Canadian Light Source, University of Saskatchewan, Saskatoon, SK S7N 0X4, Canada

7. Key Laboratory of Industrial Ecology and Environmental Engineering (Ministry of Education, China), School of Environmental Science and Technology, Dalian University of Technology, Dalian 116024, China

Abstract

The transformation of metastable ferrihydrite to stable hematite has been linked to magnetic enhancement in soils and sediments.

Funder

Fundamental Research Funds for the Central Universities

National Key Research and Development Program of China

National Natural Science Foundation of China

Publisher

Royal Society of Chemistry (RSC)

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