Since 1976 high arsenic coal in Xingren County, Guizhou Province, has attracted more and more attention because of coal-burning-type arsenic poisoning. There are many studies on enrichment of arsenic in high-arsenic coal and they come from difference mate Since 1976 high arsenic coal in Xingren County, Guizhou Province, has attracted more and more attention because of coal-burning-type arsenic poisoning. There are many studies on enrichment of arsenic in high-arsenic coal and they come from difference mate