Nonferrous materials have a base metal other than iron and include aluminum, magnesium, zinc, lead, bismuth, copper, and a variety of alloys.
有色金属材料以不是铁的金属为基材，包括铝，镁，锌，铅，铋，铜和很多合金。
Bismuth is the first by Agricola clear it is a metal.
铋是由阿格里科拉首先明确它是一种金属的。
Thecontents of metal impurities in the bismuth products obtain the standards of the analysis reagent and the contents of anions obtain the standard of the grade of chemical purity.
然后再由铋精矿制取铋的化工产品，这些铋品中的金属杂质元素含量都达到分析纯要求，有少量产品阴离子纯度有待提高。
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