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KMID : 1059519840280040238
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Journal of the Korean Chemical Society
1984 Volume.28 No. 4 p.238 ~ p.243
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The Molybdate-Sensing Electrodes
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Ihn Gwon-Shik
Lee Jung-hwa
Min Tae-Won
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Abstract
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Three component Ag2S-PbS-PbMoO4electrodes have been prepared and evaluated for sensitivity to molybdate. The 64.5 : 14.0 : 21.5(w/w%) composition is superior in terms of potentiometric response, stability, rapidity of response and reproducibility. Testing was done over the concentration range of 10-1 ∼ 10-5M MoO42- in 0.1F NH4Ac-NH4OH buffer solution at pH 7.95 with constant ionic strength. I-, Cl-, Br- and CN-, etc. interfere.
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