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Adenosine adsorption on a mercury electrode in an acetate buffer and its effect on Zn2+ions electroreduction
Journal of Molecular Liquids ( IF 5.3 ) Pub Date : 2018-04-03 , DOI: 10.1016/j.molliq.2018.04.005
Dorota Gugała-Fekner

Adsorptive properties of adenosine were determined using experimental data obtained from measurements of the differential volume of the double layer interface, the potential of zero charge and the surface tension with this potential.

The possibility of determining parameters Emax and σmax indicate the physical nature of adenosine adsorption, which must be associated with the fact that the adsorbed adenosine particles exhibit vertical or diagonal orientation.

The effect of inhibition of Zn2+ ions electroreduction was observed in acetate buffer with pH 4 at the lowest adenosine concentrations. This results from the blockage of the electrode surface by flatly adsorbed adenosine particles. In the case of an acetate buffer with pH 6 in the whole range of adenosine concentrations, an accelerating effect on Zn2+ ions electroreduction was observed.



中文翻译:

腺苷在醋酸盐缓冲液中汞电极上的吸附及其对Zn 2+离子电还原的影响

使用从双层界面的微分体积,零电荷的电势和具有该电势的表面张力的测量结果获得的实验数据确定腺苷的吸附性能。

确定参数E的可能性最大和σ最大表明腺苷吸附,必须以一个事实,即吸附腺苷颗粒表现出垂直或对角线方向相关联的物理性质。

在最低腺苷浓度,pH 4的醋酸盐缓冲液中观察到了Zn 2+离子电还原的抑制作用。这是由于平面吸附的腺苷颗粒阻塞了电极表面而导致的。在腺苷整个浓度范围内,pH值为6的醋酸盐缓冲液中,对Zn 2+离子的电还原有加速作用。

更新日期:2018-04-03
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