The research shows that the FA-goethite coexistensive system is quite effectual in the way of controlling the heavy metal pollution of cadmium.

因此，针铁-富里酸共存体系对于金属污染具有较好的效果。

Most pharmaceutical glass melting of arsenic, antimony is still used as a clarificant, and also introduces the oxidation of lead or cadmium oxide.

目前多数药用玻璃熔尚用砷、锑作为澄清剂，有的还引入氧铅或氧。