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使用双硫腙分析血、尿中的镉含量,不仅操作复杂,灵敏度低;而且需3～5毫升血液,不易为人病所接受。阳极溶出伏安法已被公认为一种十分灵敏的分析金属的方法。它以电解沉积的原理从溶液中将金属阳离子富集到玻碳电极上,金属元素从阳极上溶出时可以形成一个反向电流,在示波屏上显示其峰值即可定量。根据这一原理,我们应用于血及尿中镉的测定,实践证明,它是一种取材少,测定快速消耗试剂少,操作简便的灵敏方法,现予以报道,供同志们参考。
The use of dithizone analysis of blood, urine cadmium content, not only complicated operation, low sensitivity; and need 3 to 5 ml of blood, not easy to be accepted as human disease. Anodic stripping voltammetry has been recognized as a very sensitive method for the analysis of metals. It is the principle of electrolytic deposition from the solution of metal cations enrichment to the glassy carbon electrode, the dissolution of metal from the anode can form a reverse current, the peak can be displayed on the oscilloscope screen can be quantified. According to this principle, we apply to the determination of cadmium in blood and urine. Practice has proved that it is a sensitive method for obtaining fewer samples, less reagents for rapid determination, and simple and convenient operation. Now it is reported for your reference.