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钴在丁二酮肟—盐酸羟胺—亚硝酸納体系中(PH=7.8)有—灵敏的极谱催化波,峰电位为—1.28V(Vs.SCE),检测下限为0.016ppb,线性范围为0.016—0.24ppb,可准确用于定量测定。
Cobalt has a sensitive polarographic catalytic wave in the dimethylglyoxime-hydroxylamine-nitrite-HCl system (pH = 7.8) with a peak potential of -1.28 V (Vs.SCE) and a lower detection limit of 0.016 ppb with a linear range of 0.016-0.24ppb, can be accurately used for quantitative determination.