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本文研究了双池导数及二次导数示波极谱的测定方法。双池导数可测量0.09微克/毫升、二次导数可测量0.1微克/毫升的铅和镉.由于分辩率好,可用于图形受到干扰发生歪曲或微量测量时峰形较差的情况,此时均能给出明显的测量标志.用于氧化镍中少量铅与镉的测定.方法简便、快速。
This paper studies the determination of double-pool derivative and second-derivative oscillopolarographic. The dual-cell derivative measures 0.09 μg / ml and the second derivative measures 0.1 μg / ml of lead and cadmium. Because of its good resolution, it can be used in situations where the pattern is distorted or slightly shaped with poor peak shape when disturbed Can give a clear measurement of signs for the determination of a small amount of lead and cadmium in nickel oxide method is simple and fast.