Gold Nano Particle and Reduced Graphene Oxide Composite Modified Carbon Paste Electrode for the Ultra Trace Detection of Arsenic (III)

Sahoo Srikant; Sahoo Prasanta Kumar; Satpati Ashis Kumar

摘要

Abstract > Gold nanoparticles (AuNPs) and reduced graphene oxide (RGO) composite modified carbon paste electrode (CPE) was prepared by electrodepositing AuNPs over the reduced graphene oxide (RGO) modified carbon paste electrode. The composite material was characterised using scanning electron microscopy (SEM) and transmission electron microscopy (TEM) and atomic force microscopy (AFM) techniques. The nano composite modified electrode was applied for the determination of total As and for the inorganic speciation of As(III) and As(V) in environmental samples. The linear dynamic range was obtained for the determination of As(III) in the present method from 1μgL ?1 to 20 μgL ?1 and the limit of detection(LOD) in the standard solution was found to be 0.13 μgL ?1 for the 300?sec deposition time in 10?mL supporting electrolyte solution. This method was applied for the determination of As (III) in water and soil samples. The results were agreed well with the result obtained from the hydride generation atomic absorption spectrometry. </abstract> </span> <span class="z_kbtn z_kbtnclass hoverxs" style="display: none;">展开▼</span> </div> <div class="translation abstracttxt"> <span class="zhankaihshouqi fivelineshidden" id="abstract"> <span>机译：</span><abstract xmlns =“http://www.wiley.com/namespaces/wiley”type =“main”xml：lang =“en”> <title type =“main”>抽象</ title> >金纳米颗粒通过在还原的氧化石墨烯（RGO）改性碳浆料电极上，通过电沉积AUNP来制备（AUNP）和还原的石墨烯（RGO）复合改性碳浆料电极（CPE）。使用扫描电子显微镜（SEM）和透射电子显微镜（TEM）和原子力显微镜（AFM）技术的特征在于复合材料。纳米复合改性电极被施用用于测定作为（III）的无机物质和作为（v）的环境样品中的总体形式。获得线性动态范围用于将本方法的（III）从1μgL 1℃确定为20μg1至20μg1Δ1和检测极限（lod）将标准溶液发现为0.13μg1μgα1/ sup>的300×sec沉积时间为10×ml支撑电解质溶液。该方法用于测定水和土壤样品中的（III）。结果与从氢化物产生原子吸收光谱法中获得的结果很好。 </ p> </ abstract> </span> <span class="z_kbtn z_kbtnclass hoverxs" style="display: none;">展开▼</span> </div> </div> <div class="record"> <h2 class="all_title" id="enpatent33" >著录项</h2> <ul> <li> <span class="lefttit">来源</span> <div style="width: 86%;vertical-align: text-top;display: inline-block;"> <a href='/journal-foreign-22546/'>《Electroanalysis》</a> <b style="margin: 0 2px;">|</b><span>2017年第5期</span><b style="margin: 0 2px;">|</b><span>共10页</span> </div> </li> <li> <div class="author"> <span class="lefttit">作者</span> <p id="fAuthorthree" class="threelineshidden zhankaihshouqi"> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Sahoo Srikant&option=202" target="_blank" rel="nofollow">Sahoo Srikant;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Sahoo Prasanta Kumar&option=202" target="_blank" rel="nofollow">Sahoo Prasanta Kumar;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Satpati Ashis Kumar&option=202" target="_blank" rel="nofollow">Satpati Ashis Kumar;</a> </p> <span class="z_kbtnclass z_kbtnclassall hoverxs" id="zkzz" style="display: none;">展开▼</span> </div> </li> <li> <div style="display: flex;"> <span class="lefttit">作者单位</span> <div style="position: relative;margin-left: 3px;max-width: 639px;"> <div class="threelineshidden zhankaihshouqi" id="fOrgthree"> <p>Analytical Chemistry DivisionBhabha Atomic Research Centre TrombayMumbai 400085 India;</p> <p>Centre for Nano Science and Nano TechnologySiksha ‘O' Anusandhan UniversityBhubaneswar 751030 India.;</p> <p>Analytical Chemistry DivisionBhabha Atomic Research Centre TrombayMumbai 400085 India;</p> </div> <span class="z_kbtnclass z_kbtnclassall hoverxs" id="zhdw" style="display: none;">展开▼</span> </div> </div> </li> <li > <span class="lefttit">收录信息</span> <span style="width: 86%;vertical-align: text-top;display: inline-block;"></span> </li> <li> <span class="lefttit">原文格式</span> <span>PDF</span> </li> <li> <span class="lefttit">正文语种</span> <span>eng</span> </li> <li> <span class="lefttit">中图分类</span> <span><a href="https://www.zhangqiaokeyan.com/clc/4817.html" title="电化学、电解、磁化学">电化学、电解、磁化学;</a></span> </li> <li class="antistop"> <span class="lefttit">关键词</span> <p style="width: 86%;vertical-align: text-top;"> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Stripping voltammetry&option=203" rel="nofollow">Stripping voltammetry;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=reduced graphene oxide&option=203" rel="nofollow">reduced graphene oxide;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Gold nanoparticles&option=203" rel="nofollow">Gold nanoparticles;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Arsenic.&option=203" rel="nofollow">Arsenic.;</a> </p> <div class="translation"> 机译：剥离伏安法;氧化石墨烯氧化物;金纳米颗粒;砷。; 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