用阶梯扫描伏安法研究了钴—亚硝酸盐—乙二胺体系在静汞电极上的催化波，用以测定土壤和植物中的微量钴。
The polarographic catalytic wave of Cobalt in Ethylene Diamine-Nitrite solution has been applied to determine trace Cobalt in soil and plant by staircase voltammetry on static mercury drop electrode.
采用改进的离子选择性电极技术直接测定了碘盐中的微量碘。
Trace iodide in the iodated salt was directly measured with an improved ion-selective electrode technique.
目的：建立开放式灰化·酸溶·氟电极测定蔬菜中微量氟的方法。
Aim: To establish a method of detecting the trace fluorin in vegetable with the open type ashing-acid dissolving-fluoride selective electrode.
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