广州化工
廣州化工
엄주화공
GUANGZHOU CHEMICAL INDUSTRY AND TECHNOLOGY
2014年
20期
118-120
,共3页
化学修饰电极%硝基苯酚%碳纳米管%Nafion
化學脩飾電極%硝基苯酚%碳納米管%Nafion
화학수식전겁%초기분분%탄납미관%Nafion
chemical modified electrode%nitrophenol%carbon nanotubes%Nafion
实验制备了纳米金/碳纳米管/Nafion膜修饰电极。研究了在修饰电极上硝基苯酚的电化学特性。实验采用循环伏安法研究硝基苯酚的电化学行为，研究发现在醋酸盐缓冲溶液pH值为4.80（0.2 mol/L HAc-0.2 mol/L NaAc ）底液中，硝基苯酚的浓度与峰电流值在2.5×10-7～1.8×10-5 mol/L范围呈现良好的线性关系，最低检测限5×10-8 mol/L。用此电极对实际样品中硝基苯酚的含量进行了测定。
實驗製備瞭納米金/碳納米管/Nafion膜脩飾電極。研究瞭在脩飾電極上硝基苯酚的電化學特性。實驗採用循環伏安法研究硝基苯酚的電化學行為，研究髮現在醋痠鹽緩遲溶液pH值為4.80（0.2 mol/L HAc-0.2 mol/L NaAc ）底液中，硝基苯酚的濃度與峰電流值在2.5×10-7～1.8×10-5 mol/L範圍呈現良好的線性關繫，最低檢測限5×10-8 mol/L。用此電極對實際樣品中硝基苯酚的含量進行瞭測定。
실험제비료납미금/탄납미관/Nafion막수식전겁。연구료재수식전겁상초기분분적전화학특성。실험채용순배복안법연구초기분분적전화학행위，연구발현재작산염완충용액pH치위4.80（0.2 mol/L HAc-0.2 mol/L NaAc ）저액중，초기분분적농도여봉전류치재2.5×10-7～1.8×10-5 mol/L범위정현량호적선성관계，최저검측한5×10-8 mol/L。용차전겁대실제양품중초기분분적함량진행료측정。
The glassy carbon electrode was modified by gold nanoparticles /carbon nanotubes and nafion.The electrochemical characteristics of nitrophenol on modified electrode were studied.CV was used to study the electrochemical behavior of nitrophenol and the content of nitrophenol in samples was determined.The results showed that in the acetic acid buffer solution ( pH =4.8 ) , the concentration of Nitrophenl within 2.5 ×10 -7 ~1.8 ×10 -5 mol/L presented a good linear relationship with the stripping peak current , and the detection limit was 5 ×10 -8 mol/L with good effect.
