The average valence of copper in high temperature superconductor was determined by double iodometric titration, then oxygen content also can be calculated.
双碘滴定法是通过定高温超导氧化物中铜的平均价态，计算出氧化物中氧含量的一种方法。
Technological method of control oxygen content for oxygen-free copper sheets in production process is introduced. There is reference value.
介绍了电真空行业用无氧铜板的生产过程中控制氧含量的工艺方法，以供同类厂家参考。
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