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Browsing Journal Article by Author "Aiswarya Lakshmy, P R"

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    A Heterogeneous Precipitate based Sodium Membrane Ion Selective Electrode: Its Preparation and Analytical Application
    (2012) Thamarai Selvi, J; Aiswarya Lakshmy, P R
    A heterogeneous precipitates have been as ion carriers for the preparation of Na (I) selective membrane sensor. The electrodes give near-nernstian responses in linear concentration range of IM to IxlO'^M with detection limits of the order of 10~*M . The stable potentiometric signals are obtained with in a short time period of 3 minutes. The effect of pH, and the effect of medium have been studied found to give a better response. Selectively coefficient values (log K'^°' ) have been evaluated using fixed interference method. The sensors have also been as an indicator electrode in commercially available products.