Abundance of Trace Elements in Coal of China

Abstract

According to the strata about the trace elements in coal of China,the different background value of trace elements in different parts of China were d rew out.However these can't be taken as the real background value of abundance f or trace elements because of the lack of representative of samples.There is big difference on the abundance of trace elements in different coals of China,and i t is important to pay attention to the utilization and environmental impacts of trace elements.However unusual high concentration of toxic elements in coal shou ld be deeply researched so as to assess their potentials impacts on environment.