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Atomic absorption method determination of copper  content of pyrite.
The   pyrite copper content was analysed by the use of atomic absorption spectrophotometry   . The samples were dried , milled ,dissolved by acid ,and analysed  by  flame atomic absorption spectrometry. The effect of Fe3 +, Zn2 +, and Pb2 + on  copper determination  was also evaluated which indicated that Fe3 +, Zn2 +, Pb2 +,and Mg2 +content of  3mg/ml, 2.5mg/ml, 1mg / ml, respectively , has almost no influence on the determination.
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