甲基汞安全阈值研究  

Safe Critical Methylmercury Values

作　　者：刘永懋[1] 

机构地区：[1]松辽流域水资源保护局,长春130021

出　　处：《水资源保护》1999年第1期14-17,共4页Water Resources Protection

摘　　要：甲基汞对人体危害安全阈值的研究，是当今世界上的一大难题。通过对国内外文献调研，结合松花江汞与甲基汞污染危害系统研究，界定了甲基汞人体致害“阈值’为体内25mg蓄积量，0．3mg／人·d为甲基汞最小中毒量，取其10倍的安全率为O．O3mg／人·d或0．2mg／人·周。The safe critical values of methylmercury for human bodies are set up through systematic investigation of the harm of mercury and methylmercury pollution in the Songhua River. It is found that the critical toxic value of methylmercury accumulated in human bodies is 25mg,and the minimum toxic absorption value is 0. 3mg PPD(per person day), therefore, the safe critical absorpt ion value is 0.03mg PPD or 0. 2mg PPW (per person week ).

关 键 词：甲基汞 污染 安全阈值 毒物 

分 类 号：X132[环境科学与工程—环境科学]