A PVC membrane sensor for mercury(II) ions based on hexathia-18-crown-6-tetraone as membrane carrier was prepared. The sensor exhibits a Nernstian response for Hg 2+ ions over a wide concentration range (1.0 × 10 - 3 −4.0 × 10 - 6 M). It has a relatively fast response time and can be used for at lea...
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