1. Key Laboratory of Marine Resource Chemistry and Food Technology, Ministry of Education, Tianjin Key Laboratory of Brine Chemical Engineering and Resource Eco-utilization, College of Marine and Environmental Sciences, Tianjin University of Science and Technology, Tianjin 300457, PR China
2. Central Laboratory of Tibet Autonomous Region Bureau of Geological & Mineral Resources, Lasa 850033, PR China
3. School of Natural Sciences, Laurentian University, Sudbury, Ontario P3E 2C6, Canada