Fabrication a composite carbon paste electrodes (CPEs) modified with multi-wall carbon nanotubes (MWCNTs/N, N-Bis (salicyliden)-1,3-propandiamine) for determination of lanthanum (III)

被引：60

作者：

Fakhrabad, Azam Hosseini ^{[1
]}

Khoshnood, Razieh Sanavi ^{[1
]}

Abedi, Mohammad Reza ^{[2
]}

Ebrahimi, Mahmoud ^{[1
]}

机构：

[1] Islamic Azad Univ, Dept Chem, Mashhad Branch, Mashhad, Razavi Khorasan, Iran

[2] Islamic Azad Univ, Dept Chem, Quchan Branch, Quchan, Iran

来源：

EURASIAN CHEMICAL COMMUNICATIONS | 2021年 / 3卷 / 09期

关键词：

Carbon paste electrode; multi-walled carbon nanotubes; potentiometric; lanthanum sensor; POTENTIOMETRIC SENSOR; IONIC LIQUID; NANOCOMPOSITE; OXIDATION; GEL;

D O I：

10.22034/ecc.2021.288271.1182

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

In this work, we introduced the fabrication of a novel modified Carbon Paste Electrode (CPE) for the determination of Lanthanum ion based on Multi-Walled carbon nanotubes. The CPE combination contained paraffin, graphite and N, N-Bus (salicyliden)-1,3-propandiamine (SB-SalPr) that we reemployed in the structure of electrode. After specifying the optimal percentages, this electrode showed the Nernstian response with a slope of 19.37 (mV/decade) to La3+ ion in response time (<10 s), the concentration range from (10(-2)_10(-8) M) with detection limit of 5.21x10(-9) M. The potential response of the electrode remained constant in the pH range of 5-9.

引用

页码：627 / 634

页数：8

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