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    on a Chemically Modified Electrode with Langmuir –

    發布者:本網 | 瀏覽次數:

    bstract

    A new voltammetric sensor, Langmuir – Blodgett (LB) film of a p-tert-butylcalix[4]arene derivative modified glassy

    carbon electrode, was designed and successfully used in simultaneous determination of Tlt and Pb2t by square-wave

    anodic stripping voltammetry. Under the optimum experimental conditions, this newly developed sensor reveal good

    linear response for Tlt andA Pb2t in the concentration range of 3 ? 10à8 – 4 ? 10à6 mol Là1 and 2 ? 10à7 – 2 ? 10à5 mol

    Là1 respectively. The detect limits are 2 ? 10à8 mol Là1 for Tlt and 8 ? 10à8 mol Là1 for Pb2t. Using proposed method,

    Tlt and Pb2t in environment samples were determined with satisfactory results.

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