水环境中痕量重金属生物活性形态的分析

ANALYSIS OF BIOLOGICALLY ACTIVE SPECIES OF TRACE HEAVY METALS IN AQUATIC ENVIRONMENT

水环境中痕量重金属的生物活性形态,包括生物可吸收态和生物毒性形态,这种形态的分析是重金属形态分析研究的一个重要发展方向。对于水环境中重金属对生物的毒害现状评价、潜在危害预测以及水环境容量的确定、排放标准和污染治理方案的制定,具有重要意义。本文总结了各种物理化学法重金属形态分析的结果与生物测试重金属形态测定结果之间的相关性,进而探讨了应用物理化学方法进行金属生物活性形态分析的可行性和特点。

Analysis of bioactive species of trace heavy metals, including bioavailable and toxic forms,is an important research field in trace heavy metal speciation and is significant. This paper summarized the correlation between the bioactive species measured by various physico-chemical methods and the toxic fraction of metal determined by bioassay, and discussed the feasibility and characteristics of these methods for measuring the bioactive species of trace heavy metals.