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In recent liquid membrane electrodes, the porous liquid membrane is replaced with which of the following?

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in Analytical Instrumentation by (131k points)
In recent liquid membrane electrodes, the porous liquid membrane is replaced with which of the following?

(a) Polyvinyl chloride

(b) Polyacryl chloride

(c) Polyester membrane

(d) Polyacryl amide

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This intriguing question comes from Ion Selective Electrodes-Principle and Types in division pH Meters and Ion Analysers of Analytical Instrumentation

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The correct answer is (a) Polyvinyl chloride

Explanation: In recent liquid membrane electrodes, the porous liquid membrane is replaced with polyvinyl chloride membrane. The measured potential is a direct measure of the concentration of specific ion.

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