AbstractThe article describes a sensor for the voltammetric determination of the azo dye Basic Red 13 (BR13) during its degradation by using sonoelectrochemistry in the presence of TiO2 nanoparticles. A glassy carbon electrode was modified with silver nanoparticles and graphene oxide sheets. The performance of the method was compared to that of the spectrophotometric assay at 523 nm. The voltammetric sensor, best operated at +0.752 V vs. SCE, has a linear range that covers concentrations from 0.5 to 100.0 μM BR13, which is much wider than that of spectrophotometry. The detection limit is 2.0 μM. The method was successfully applied to BR13 detection in wastewater samples collected a textile plant. Graphical abstractA new method is presented for controlling dye concentration during sonoelectrocatalyst degradation. A GCE modified by AgNP and GO. AgNP have an electrocatalytic effect in BR13 oxidation. AgNP/GO composition will increase the surface area, so the background voltammetric response and sensitivity than those for the GO, and AgNPs modified surfaces.

中文翻译：

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碱性红 13 在其声电催化降解过程中的伏安法测定

摘要本文描述了一种在偶氮染料碱性红 13 (BR13) 降解过程中通过使用声电化学在 TiO2 纳米粒子存在下伏安测定的传感器。用银纳米颗粒和氧化石墨烯片修饰玻碳电极。将该方法的性能与 523 nm 处的分光光度测定法的性能进行比较。伏安传感器最好在 +0.752 V vs. SCE 下运行，其线性范围涵盖 0.5 至 100.0 μM BR13 的浓度，比分光光度法的范围宽得多。检测限为 2.0 μM。该方法已成功应用于某纺织厂废水样品中BR13的检测。图形摘要提出了一种在声电催化剂降解过程中控制染料浓度的新方法。由 AgNP 和 GO 修改的 GCE。AgNP在BR13氧化中具有电催化作用。AgNP/GO 组合物会增加表面积，因此背景伏安响应和灵敏度比 GO 和 AgNPs 改性表面的那些。