Method for decreasing impurity element tin in complex multi-element brass alloys
A technology of brass alloys and impurity elements, which is applied in the field of reducing complex multi-element brass alloy impurity elements tin
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Embodiment 1
[0025] After the waste miscellaneous copper raw material is pretreated, it is melted and sampled in an induction furnace. ICP measures that the Sn content is 4.87%. The slag agent sodium fluoride and 1% (weight percentage) additive sodium carbonate are cast after the heat preservation is completed, and the upper and lower ends of the ingot are taken to measure the ICP to get the average value, and the Sn content is 3.58%. The comparison results show that the tin content has decreased by 26.49%. .
Embodiment 2
[0027] After the scrap copper raw material is pretreated, it is melted and sampled in an induction furnace. ICP measures that the Sn content is 0.40%. The slag agent, sodium fluoride, was cast after the heat preservation was completed, and the upper and lower ends of the ingot were taken to measure the ICP and the average value was obtained. The Sn content was 0.30%, and the comparison results showed that the tin content decreased by 25%.
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