Background values and geochemical characteristics of 15 trace elements in the source area of the Yangtze River
The natural contents and background values of 15 trace elements Cu, Pb, Zn, Cd, Hg, As, Co, Ni, Cr, Se, Mn, Mo, Fe, V and F in water and sediments in the source area of the Yangtze River have been sampled. These are presented and discussed