引用本文:
路洪, 韩德刚, 林秋竹, 郑克祥, 高执棣. 循环伏安法用于化学振荡的研究[J]. 物理化学学报,
1988, 4(01): 84-87.
doi:
10.3866/PKU.WHXB19880117
Citation: Lu Hong, Han Degang, Lin Qiuzhu, Zheng Kexiang, Gao Zhidi. INVESTIGATION OF CHEMICAL OSCILLAITION BY THE METHOD OF CYCLIC VOLTAMMETRY[J]. Acta Physico-Chimica Sinica, 1988, 4(01): 84-87. doi: 10.3866/PKU.WHXB19880117
Citation: Lu Hong, Han Degang, Lin Qiuzhu, Zheng Kexiang, Gao Zhidi. INVESTIGATION OF CHEMICAL OSCILLAITION BY THE METHOD OF CYCLIC VOLTAMMETRY[J]. Acta Physico-Chimica Sinica, 1988, 4(01): 84-87. doi: 10.3866/PKU.WHXB19880117
循环伏安法用于化学振荡的研究
English
INVESTIGATION OF CHEMICAL OSCILLAITION BY THE METHOD OF CYCLIC VOLTAMMETRY
Abstract:
Method of cyclic voltammetry for static systems has been modified through its recording system in order to apply it to follow the oscillating change of concentrations of some species in a chemical oscillation reaction. In this paper, oscillation of the concentration of bromide-ion in Melonic-acid-KBrO_2-H_2SO_4-MnSO_4 systems was followed by this modified method. It was found that, for systems investigated in this paper, the bromide-ion concentrations oscillate in the range of IO~(-4) mol dm~(-3) which is 1-2 orders of magnitude higher than that observed by the bromide-ion selective electrode. A frozen-titration method for bromide-ion was also used to check the result which was found to be in agreement with that of the modified method.
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