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采用原子吸收光谱法、多元素分析器法测定了７种不同购地自然铜的不同炮制品的铅、砷含量。从而考察了各地区自然铜的质量。
The atomic absorption spectrometry and multi-element analyzers were used to determine the lead and arsenic contents of different processed natural copper products from 7 different locations. In this way, the quality of natural copper in various regions was examined.