Construction of a Silver(I) Ion-Selective Electrode Using Amine Phenol Ligand as Carrier and the Selective Determination of Silver in Actual Samples

Journal of the Korean Chemical Society

Ya Qin Chai¹  Wen Ju Xu¹  Ruo Yuan¹ 

关键词: N¡¯-bis(2-hydroxybenzyl)-1;    3-diaminopropane;    N;    N¡¯-bis(2-hydroxybenzyl)-2;    2-dimethyl-1;    3- diaminopropane;    Ion-selective electrode;    Silver(I) ion;    Potential response;    N;    N¡¯-bis(2-hydroxybenzyl)-1;    3-diaminopropane;    N;    N¡¯-bis(2-hydr;   

DOI  :  

学科分类：化学（综合）

来源: Korean Chemical Society

【 摘 要 】

This work discusses the fabrication, development and potential response behaviors of Ag+ ion-selective electrodes (Ag+-ISE) based on N,N¡¯-bis(2-hydroxybenzyl)-1,3-diaminopropane (L1) and N,N¡¯-bis(2-hydroxybenzyl)-2,2-dimethyl-1,3- diaminopropane (L2) as carriers. The observations indicated that the resulting electrode based on L1 toward Ag+ showed stable near-Nernst slope approaching 58.7 mV/dec and the optimum potential response characteristics in a linear range at least five orders of magnitude with a detection limit of 1.0¡¿10-6 M. The proposed electrode displayed the preferential selectivity to Ag+ against other tested cations. The excellent potential analytical characteristics could lead to the successful applications of silver assay in significant real samples, indicating that the proposed Ag+-ISE showed a significant advancement of measurement capabilities. But for the electrode based on L2, the poor potential response characteristics were observed in total experiment process.

【 授权许可】

Unknown