1. Department of Chemistry Hochiminh City University of Education 280 An Duong Vuong St., Dist. 5 Ho Chi Minh City 10000 Viet Nam
2. Hanoi University of Science and Technology No.1 Dai Co Viet St., Dist. Hai Ba Trung Hanoi 10000 Viet Nam
3. Hochiminh City University of Natural Resources and Environment 236B Le Van Sy St. Dist. Tan Binh Ho Chi Minh City 70000 Viet Nam
4. Applied Research Institute of Natural Resources Materials and Environment 58/4 Tran Van Du St. Dist. Tan Binh Ho Chi Minh City 70000 Viet Nam