1. State
Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550002, P.R. China
2. Graduate University of Chinese Academy of Sciences, Beijing 100049, P.R. China
3. Soil
and Earth Sciences, Institute of Agriculture and Environment, Massey University, Palmerston North 4474, New Zealand
4. Contaminants
in Aquatic Environments, Norwegian Institute for Water Research (NIVA), Gaustadalleen 21, Oslo 0349, Norway