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.
提出一种新的测定氨羧络合剂中微量EDTA的催化光度滴定法。
A new catalytic spectrophotometric titrimetric method for determining trace EDTA in the complexones is described.
结果研究了该负催化褪色反应的最佳条件及动力学性质，建立了负催化光度法测定微量钙的新方法。
Results The optimum condition and kinetic parameters are investigated in detail, a new negative catalytic spectrophotometry for determination of trace calcium in environmental water was established.
采用硫氰酸铁—亚硝酸催化法测定1 %牛羊复合预混料中微量元素碘含量。
Using the method of Fe(SCN) HNO 2 catalyze, the 1% content of iodide micro element in compound premix for cattle and sheep was menstruated.
采用硫氰酸铁—亚硝酸催化法测定1 %牛羊复合预混料中微量元素碘含量。
Using the method of Fe(SCN) HNO 2 catalyze, the 1% content of iodide micro element in compound premix for cattle and sheep was menstruated.
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