Determination of Mercury Methylation Potential in the Presence of Peat Organic Matter

摘要：

　　Methylmercury (MeHg) is a neurotoxin pollutant that accumulates in organisms and biomagnifies along the trophic chain.It is formed by the transfer of a methyl group to inorganic mercury (Hg).This transformation,termed methylation,can occur as a result of microbial activity,photochemical transfer of the methyl group,or interaction with humic substances present in water bodies,with microbial activity showing the greatest methylation potential.In this work,the formation of MeHg was observed over a period of 22 days,in the presence of peat rich in organic matter (OM),together with either Hg0 or Hg2+.Analyses were made ofpH,redox potential (EH),and dissolved oxygen (DO).

关键词： Organic matter Mercury Methylation

作者: Marques Gomes Vinicius dos Santos Ademir César Rocha Júlio Moutinho da Silva Ricardo Fabrício Zara Luis Camargo de Oliveira Luciana

作者单位: state University of S(a)o Paulo-UNESP,C(O)nego Jer(o)nimo Cézar Avenue 838,Araraquara,S(a)o Paulo,Br University of Brasília-UNB-Planaltina-GO,Brazil Federal University of Sao Carlos-UFSCAR-Sorocaba-SP,Brazil

会议类型: 国际会议

会议名称: the 16th Meeting of the International Humic Substances Society (第十六届国际腐殖物质学会大会(IHSS 16))

会议地点: 杭州

会议语种:英文

页码: 398-400

在线出版日期: 2012-09-09（万方平台首次上网日期，不代表论文的发表时间）