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CoachA reference electrode is a stable electrochemical electrode with a known and constant electrode potential. It is used as a comparison point in electrochemical measurements to determine the potential of another electrode in a cell. Reference electrodes help provide accurate and reliable measurements in various electrochemical processes.
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Difference between reference electrode and indicator electrode?
A reference electrode is used to establish a stable electrochemical potential for comparison within a measurement system, while an indicator electrode is used to respond to changes in the analyte concentration being measured. Reference electrodes provide a fixed potential, whereas indicator electrodes change their potential in response to the analyte's concentration.
What type of electrodes are used in potentiometric titration?
Glass and reference electrodes are commonly used in potentiometric titrations. Glass electrodes are sensitive to changes in pH, while reference electrodes provide a stable potential against which the glass electrode's potential can be measured.
Which limb sensor is the reference or ground electrode?
In limb leads (I, II, III), the reference or ground electrode is typically located on the right leg. This electrode is used as a common point of reference for measuring electrical activity in the heart.
What are the parts pH meter?
A pH meter typically consists of a probe with a glass electrode, a reference electrode, and a meter that displays the pH value. The glass electrode measures the hydrogen ion concentration in a solution, while the reference electrode provides a stable reference point. The meter then calculates and displays the pH value based on the difference in electrical potential between the two electrodes.
How does a pH electrode work?
A pH electrode works by measuring the electrical potential difference between a reference electrode and a glass electrode. The glass electrode contains a special membrane that responds to changes in hydrogen ion concentration, which is used to determine the pH of a solution.
