摘要
利用超热中子活化法 (ENAA)、原子吸收法 (AAS)和原子荧光法 (HG AFS)测定了采自北京远郊和浙江西天目山自然保护区 4个不同地点 12种苔藓中 19个重金属元素含量。结果表明 ,北京地区大气重金属沉降污染程度远高于浙江西天目山地区。与欧洲苔藓中重金属浓度比较 ,该 12种苔藓偏高。
species of mosses collected at 4 sampling sites from far suburbs of Beijing and Xitianmu Natural Protection Zone,Zhejiang Province are used as biomonitors to evaluate the atmospheric heavy metal deposition level in the areas.A total of 19 elemental concentrations are determined by epithermal neutron activation alalysis(ENAA),atomic absorption spectrometry(ASS) and atomic fluorescence spectrometry(AFS).The comparision of the results shows that the atmospheric heavy metal deposition level in Xitianmu is lower than that in the Beijing region.Compared to European mosses,the 12 Chinese mosses are relatively higher in elemental concentrations.After the interspecies correlation based upon the elements in mosses from the sites,they could be used as the alternative biomonitors.
出处
《核化学与放射化学》
CAS
CSCD
北大核心
2002年第1期6-10,共5页
Journal of Nuclear and Radiochemistry
基金
国家自然科学基金资助项目 (1993 5 0 2 0 )
