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The contents and characteristics of ten heavy metals in surface sediments from Yangzonghai Lake in Yunnan, China were analyzed. Ecological risk index presented by Håkanson to assess the potential ecological risk of Yangzonghai Lake was utilized. The results showed that the average concentrations of titanium(Ti), manganese(Mn), zinc(Zn), vanadium(V), chromium(Cr), copper(Cu), nickel(Ni), cobalt(Co),...
A set of sixty six surface sediment samples were collected from the beach area and its adjacent region in Central part of Tamil Nadu State, SE Coast of India. The samples were analyzed for organic carbon, carbonates, texture of sediments and Partially Extracted Trace Metals (PETMs) (As, Ba, Be, Cd, Co, Cr, Cu, Fe, Mn, Pb, Sr, V, Zn). The results indicate that the organic carbon and carbonates in the...
The content of metal in the commercially soybean was investigated in Jinzhou City, Liaoning Province, such as Mn,Cu,Mg,Zn,Ca,Co,V,Pb,Cr and Cd. The sample was digested with nitrate and high-chlorine acid. The content of the metal was determined with atomic absorption spectrophotometry. The results showed that the content of Mn,Cu,Fe,Mg,Zn,Ca,Co and V was rich. While the content of Pb, Cr and Cd of...
The remains of zooplankton subfossil and sediment characteristics were examined from a macrophyte dominated shallow lake Wuliangsuhai in Inner Mongolia, China, in order to study past limnological changes. The lake began to switch to eutrophication gradually in the middle 1980s, creating a Transitional Sediment Layer (TSL, about 17 cm depth) that can be visually used to separate sediments derived from...
In order to study the relationship of heavy metals between coconut palm (Cocos nucifera L.) and the environment, concentrations of Cd, Co, Cr, Cu, Ni, Pb, Zn, Ti and V in bark and leaf samples of cocos in Haikou and Sanya cities were analyzed. The results showed that coco barks and leaves are subject to accumulate Cd, Cu, Pb and Zn. All the studied element contents in barks and leaves in Haikou are...
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