电沉积纳米钯修饰玻碳电极对甲醛的电催化氧化

电沉积纳米钯修饰玻碳电极对甲醛的电催化氧化 Electrocatalytic Oxidation of Formaldehyde on Glassy Carbon Electrode with Palladium Nanoparticles by Electrochemical Deposition 上官灵芝 SHANGGUAN Lingzhi1 1 first-author 乔洁 QIAO Jie1 1 2 郭玉晶 GUO Yujing1 1 常燕 CHANG Yan1 1 李忠平 LI Zhongping1 1 董川 DONG Chuan1 1 山西大学环境科学与工程研究中心 山西大学环境科学与工程研究中心 Research Center of Environmental Science and Engineering,Shanxi University Research Center of Environmental Science and Engineering,Shanxi University 山西医科大学基础医学院 山西医科大学基础医学院 Preclinical Medical College,Shanxi Medical University Preclinical Medical College,Shanxi Medical University 采用电化学沉积法制备了纳米钯修饰玻碳电极（Pd/GC）,利用循环伏安法研究了Pd/GC电极对甲醛的电催化氧化作用,优化了实验参数,建立了一种测定甲醛的方法.在0.1 mol.L-1NaOH溶液中,甲醛的氧化峰电流与其浓度在1.0×10-4 1 .4×10-2mol.L-1的范围内呈良好的线性关系,检出限为3.0×10-5mol.L-1,相对标准偏差为3.9%,回收率为94.7% 1 04.0%. Using electrochemical deposition method,palladium nanoparticle modified glassy carbon electrode（Pd/GC） was prepared,the electrochemical behaviors of formaldehyde on which were studied by cyclic voltametry.The experimental parameters were optimized for establishing the method of formaldehyde determination.The oxidation peak current is linearly proportional to formaldehyde concentration over the range of 1.0×10-4-1.4×10-2 mol·L-1 in the solution of 0.1 mol·L-1 NaOH.The detection limit of formaldehyde is 3.0×10-5 mol·L-1.The RSD is 3.9%,and the recovery is 94.7%-104.0%. 电沉积 纳米钯 甲醛 电催化氧化 electrochemical deposition palladium nanoparticle formaldehyde electrocatalytic oxidation O657.1 国家自然科学基金重点项目（50534100） 2008-06-01 2021-04-01 6 54