Determination of nitrite using sensors based on nickel phthalocyanine polymer modified electrodes |
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Authors: | Wen Zhen-Hai Kang Tian-Fang |
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Institution: | College of Environmental and Energy Engineering, Beijing University of Technology, Beijing 100022, PR China |
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Abstract: | An amperometric nitrite sensor based on a polymeric nikel tetraaminothphalocyanine (p-NiTAPc) film coated glassy carbon (GC) electrode was developed. The mechanism of catalysis on the surface of the electrode was discussed. The sensor exhibited fast respond towards nitrite with a detection limit of 1×10−7 M and a linear concentration range of 5×10−7 to 8×10−3 M. The possible interference from several common ions was tested. The proposed method was successfully applied in the detection of nitrite in real samples. |
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Keywords: | Nitrite determination Modified electrode Tetraaminophthalocyanatonickle |
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