提出了一个快速测定钴的电位滴定法。以钴标准溶液为滴定剂，用铂电极为指示电极，甘汞电极作为参比电极，利用电位的突变来指示终点。该法具有灵敏、准确、快速等特点。测定橡胶—金属粘合剂中的钴，结果良好。 A rapid determination of cobalt potential titration method. Cobalt standard solution as titrant, platinum electrode as the indicator electrode, calomel electrode as the reference electrode, the use of potential mutations to indicate the end point. The law is sensitive, accurate, fast and so on. The determination of cobalt in the rubber-metal binder gave good results.