ELECTROCHEMICAL STUDY OF CHLOROPHYLL-A ADSORBED ON SNO2

被引：4
|
作者：
YANG, YG
ZHOU, RL
HAN, YY
JIANG, YS
机构：
[1] Department of Chemistry, Shandong Teachers' University, Jinan
来源：
JOURNAL OF ELECTROANALYTICAL CHEMISTRY | 1994年 / 370卷 / 1-2期
关键词：
D O I：
10.1016/0022-0728(93)03196-V
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
According to its absorption spectra, chlorophyll a (chla) exists as (chla)2 and (chla . H2O)2 in aqueous acetone solutions (pH 6.8). These two states can be adsorbed on an SnO2 electrode and form a multilayer under conditions of saturated adsorption. An anodic peak at +0.23 V vs. Hg/Hg2SO4 in 0.1 M Na2SO4, with no corresponding cathodic peak, is observed on the cyclic voltammogram of the chla/SnO2 electrode. We ascribe this peak to a change in the capacity of the chla/SnO2 electrode.
引用
收藏
页码：269 / 271
页数：3
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