지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 1982.6
- 수록면
- 138 - 143 (6page)
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The crude copper containing arsenic and nickel as impurities was fire-refined and the residual oxygen was found to be 0.4 to 0.6％ at 1150℃ and 1200℃. The activity coefficient in the removal reaction of arsenic was calculated by using the results of experiments. In fire-refined copper, the removal of arsenic was possible to reduce as low as 0.02％ As. When the molten copper was hyper-oxidized the removal of arsenic was possible up to 0.03％ As. When nickel and arsenic coexisted in the crude copper, the relation of the final residue of arsenic and nickel after fire refining was well coincide with the result obtained in the previous work done by Jeong.
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