Electrical analyzers operate by using which of the following?
a. Clark electrodes c. Thermal conductiv-ity
b. Pauling's principle d. Oxygen-mediated chemical reaction
ANS: C
Electrical analyzers operate on the principle of thermal conductivity and use an electronic device called a Wheatstone bridge. The Clark electrode is used by the polarographic analyzer. Pauling's principle is used in paramagnetic analyzers, and electrical analyzers use thermal conductivity to analyze oxygen concentration.
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