'Indicator electrode' presentation slideshows

BIOMEDICAL INSTRUMENTATION

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Chapter 21

Chapter 21. Potentiometry. Potentiometric methods of analysis are based on measuring the potential of electrochemical cells without drawing appreciable currents. 21A General principles A typical cell for potentiometric analysis can be represented as:

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14-1 Reference Electrodes

Chapter 14 Electrodes and Potentiometry. 14-1 Reference Electrodes. The two half-reactions (written as reductions ) are Right electrode: Fe 3+ + e - = Fe 2+ E o + = 0.771 V Left electrode: AgCl( s ) + e - = Ag( s ) + Cl - E o - = 0.222 V.

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POTENTIOMETRY 8 th lecture

POTENTIOMETRY 8 th lecture. Potentiometry : Is a method of analysis in which we determine the concentration of an ion or a substance by dipping a suitable sensor in its solution ( indicator electrode ).

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Electrochemical methods of analysis

Electrochemical methods of analysis. Electrochemical methods of analysis are physico-chemical methods, which deal with electrical quantity or property of a solution of the substance to be analyzed qualitatively or quantitatively. Advantages of electrochemical methods of analysis

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potentiometry

potentiometry. Physicochemical method that measure certain electron property of substances which is proportional to its concentration. In analysis we have electrochemical method. Ex. Potentiometry Polarography Electrophoresis Conductometry.

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Electrodes and Potentiometry

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