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锑的冶炼中铅是有害元素,因此对铅的含量测定要求十分严格。通过实践认为:采用聚四氟乙烯杯代替玻璃烧杯,可以减弱在
Antimony smelting lead is a harmful element, so the determination of lead content is very strict. Practice that: the use of PTFE cups instead of glass beakers, can be weakened in