欢迎访问《电化学(中英文)》期刊官方网站,今天是
研究论文

还原菌修饰碳糊电极研究及对微量金的测定

  • 胡荣宗
展开
  • 厦门大学化学系固体表面物理化学国家重点实验室国家教委材料和生命过程分析科学开放研究实验室

收稿日期: 1998-08-28

  修回日期: 1998-08-28

  网络出版日期: 1998-08-28

Electrochemical Determination of Trace Amouns of Gold(Ⅲ)by Cathodic Sptripping Voltammetry Using a Carborn Paste Electroele Modified with Bacteria

  • Hu Rongzong Xu Hao Fu Jinkun Hu Wenyun Chen Yanzhen 
Expand
  • (State Key Lab. for Phys. Chem. of Solid Surf., Depet. of Chem., Xiamen Univ., Xiamen 361005

Received date: 1998-08-28

  Revised date: 1998-08-28

  Online published: 1998-08-28

摘要

研究用细菌修饰的碳糊电极对金离子的响应特性,并应用该电极检测水溶液中的金离子,金离子浓度在10~100μg/mL.呈线性关系,重现性为3.4%,检测限达1ng/mL.电极具有制备简单,灵敏度高等优点.文中还讨论了金离子在还原菌修饰的碳糊电极上的还原机理.

本文引用格式

胡荣宗 . 还原菌修饰碳糊电极研究及对微量金的测定[J]. 电化学, 1998 , 4(3) : 323 -327 . DOI: 10.61558/2993-074X.2706

Abstract

An electrochemically pretreated carbon paste electrode modified with bacteria has been studied and used for determination of trace amounts of gold(Ⅲ). A detection limit of 1 ng/mL was obtained by applying cathodic stripping valtammetry. There is a linear relationship between the concentration and peak height in the range of 10~100 μg/mL. The ralative standard deviation of the response to 84.7 μg/mL Au(Ⅲ) is 3.43%.

参考文献

1邓家祺,何红,孔继烈.用微生物电极的方法比较各类细菌中L-天冬酰胺酶活性.化学传感器,1993,13(1):59~662邢国良等.基于微生物传感器的BOD.化学传感器,1995,15(4):306~3093王国顺等.18-冠-6修饰碳糊电极测定金的研究.分析试验室,1994,13(1):54~554IvaTuryanandDanielMandler,ElectrochemicalDeterminationofTraceAmontsofGold(Ⅲ)byAnadicStrippingVoltammeryUsingaChemicalyModifiedElectrode.Anal.Chem.,1993,65:2089~20925MieczyvslawKorolczuk.Selectivemethodforthedeterminationofgoldbyanoticstrippingvatammetry.FreseniusJ.Anal.Chem.,1996,356:480~4836傅锦坤等.负载型贵金属离子细菌还原的探索研究.厦门大学学报(自然科学版),1998,37(3):313~314
文章导航

/