After copper magnetite sample was decomposed with 15 mL of hydrochloric acid,5mL of nitric acid,3mL of hydrofluoric acid and 5mL of perchloric acid,a determination method of copper(0.1%-2%)in copper magnetite by flame atomic absorption spectrometry(FAAS)was established with 5%(V/V)perchloric acid as determination medium.The interference tests indicated that the maximum contents of impurities in copper magnetite had no interference with the determination of copper.Under the selected experimental conditions,t...