1. Faculty of Chemistry, Thai Nguyen University of Education, 20 Luong Ngoc Quyen, Thai Nguyen, Vietnam
2. Faculty of Environmental Sciences, University of Science, Vietnam National University, Hanoi, 334 Nguyen Trai Road, Hanoi, Vietnam
3. Faculty of Basic Science, Thai Nguyen University of Agriculture and Forestry, Quyet Thang ward, Thai Nguyen city, Thai Nguyen, Vietnam
4. TNU-University of Information and Communication Technology, Z115 St., Quyet Thang Ward, Thai Nguyen City, Thai Nguyen, Vietnam
5. Faculty of Basic Science, Thai Nguyen University of Medicine and Pharmacy, 284 Luong Ngoc Quyen, Thai Nguyen city, Thai Nguyen, Vietnam