测定水中金属污染物,已逐渐从“总量”转向“形态”,这是由于其形态不同,毒性差异很大。研究污染物在水环境中迁移和转化规律时,也需要了解它的形态。目前应用于水中金属测定的方法虽然不少,但绝大多数尚不能进行形态分析。而最早进 The determination of metallic contaminants in water has gradually shifted from “total” to “morphological” due to its different morphology and very different toxicity. When studying the migration and transformation of pollutants in water environment, we also need to understand its morphology. At present, although there are many methods for determining metal in water, most of them are still not capable of morphological analysis. The earliest into