Distribution of trace elements in the Middle Part of South China Sea deep seawater

During the investigation in the South China Sea in the summer of 2018, the sea water samples were for some trace elements (such as Cu, Zn, Fe Mn, Ni, Se, Mo, Co and V) analyses from different layers of 12 stations according to the standard sampling specifications. The seawater samples of different depths were directly measured by inductively coupled plasma mass spectrometry. The distribution of trace elements in the South China Sea water was investigated were investigated. It could be seen from the analytical results that the contents of Fe, Mo, Co and V in deep seawater at different depths have little change with depth, and other elements vary greatly with depth. There were significant differences in the content of trace elements between different stations, and the contents of Mn, Ni and Se fluctuated greatly. After comprehensive comparative analysis, it can be found that for most trace elements, the sites with lower content were D3 and D5, the depth of trace elements is 500m, and the content of Cu, Zn, Ni and Se is much lower than that of the state. A type of seawater quality standard.