1. College of Chemistry and Material Science
2. Hebei Normal University
3. Shijiazhuang 050024
4. China
5. Shijiazhuang Vocational College of Finance & Economics
6. Department of Environmental and Chemical Engineering
7. Hebei College of Industry and Technology
8. Shijiazhuang 050000
9. Productivity Promotion Service Center of Shijiazhuang
10. Shijiazhuang 050091
11. Shijiazhuang 050061
12. Key Laboratory of Magnetic Molecules and Magnetic Information Materials (Ministry of Education)
13. School of Chemistry and Material Science
14. Shanxi Normal University
15. Linfen 041004