GLASS ELECTRODE Meaning and
Definition
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A glass electrode refers to an electrochemical sensor widely used for measuring the pH (acidity or alkalinity) of a solution. It consists of a thin glass membrane or bulb filled with a special electrolyte solution that responds to changes in hydrogen ion concentration. The glass membrane functions as a selective barrier, allowing only hydrogen ions to pass through while blocking other ions in the solution.
The inner structure of the glass electrode comprises an internal reference electrode and a sensitive electrode. The sensitive electrode is submerged in the solution being tested and connected to an external voltmeter. When the sample solution comes into contact with the glass electrode, a potential difference is generated between the sensitive and reference electrodes. This potential difference, known as the electromotive force (EMF), is directly proportional to the pH of the tested solution.
The principle behind the functionality of a glass electrode lies in the ion-exchange process between the hydrogen ions in the solution and the sodium ions in the electrolyte solution within the glass bulb. This exchange of ions generates a voltage that can be measured and converted into a pH reading.
Due to its reliability, simplicity, and accuracy, the glass electrode is commonly used in various applications, such as scientific research, laboratories, industrial processes, environmental monitoring, and medical diagnostics. Its broad pH range, from highly acidic to highly alkaline, makes it a versatile and indispensable tool in measuring the acidity or alkalinity of solutions.
Common Misspellings for GLASS ELECTRODE
- flass electrode
- vlass electrode
- blass electrode
- hlass electrode
- ylass electrode
- tlass electrode
- gkass electrode
- gpass electrode
- goass electrode
- glzss electrode
- glsss electrode
- glwss electrode
- glqss electrode
- glaas electrode
- glazs electrode
- glaxs electrode
- glads electrode
- glaes electrode
- glaws electrode
- glasa electrode
Etymology of GLASS ELECTRODE
The word "electrode" is derived from the Greek words "electron" meaning "amber" and "hodos" meaning "way" or "road". The term "electrode" was originally used to refer to the terminal of a battery or other electrical device.
The word "glass" comes from the Old English word "glæs", which was originally used to describe a transparent substance made from a fusion of sand with soda or potash. It was originally derived from the Late Latin word "glesum" and the Greek word "glesum", meaning "amber" or "glass".
Therefore, the term "glass electrode" refers to an electrode made of glass material, often used in electrochemical measurements or analysis.
