A new method for the flotation separation of Bismuth is used by the way of potassium iodide - malachite green - water liquid - soild system and determining Bismuth in high purity nickel in this essay.

在硝酸钠存在下碘化钾-孔雀绿-水液-固体系浮选分离铋，采用石墨炉原子吸收法对高纯镍中痕量铋进行了分析。

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The optimum conditions for determining trace of cobalt and nickel in high purity lead by FAAS were studied.

研究了用火焰原子吸收法分析高纯铅中痕量钴、镍的测定条件。

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The results show that the process is stable, the equipment structure is reasonable, the nickel foils produced have uniform thickness, high purity and good mechanical and apparent performance.

实践表明：工艺稳定，设备结构合理，产出的宽幅薄镍箔厚度均匀、纯度高、机械性能和表面性能良好。

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