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Laboratory Thermometer
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Original price was: ₹300.₹150Current price is: ₹150. (Exc. GST)
-35%
Copper Voltameter
- A Copper Voltameter measures electric current and the amount of copper deposited on electrodes during electrolysis using two electrodes in a copper ion solution.
- It operates based on electrolysis principles and Faraday’s laws, where electric current causes copper ions to deposit on the cathode and oxidise at the anode.
- Applications include evaluating copper plating efficiency, analysing copper concentrations, and investigating electrochemical processes in research.
- Copper Voltameter consists of 3 copper plates with an insulated cover and plastic jar.
Original price was: ₹500.₹325Current price is: ₹325. (Exc. GST)
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- Warranty 1 year
- Free 7-Day Replacement
Description
The Copper Voltameter: Principles and Historical Significance
1. Introduction
The measurement of electric charge is a fundamental aspect of electrical science, with electrochemical methods playing a critical role before the development of advanced electronic instruments. The copper voltameter is a vital tool for quantifying electric charge through electrolysis, providing foundational insights into the principles of electrochemical measurement.
2. Defining the Copper Voltameter
A copper voltameter, or copper coulometer, measures electric charge by utilizing electrolysis. The interchangeable use of “voltameter” and “coulometer” reflects the evolution of electrical measurement terminology, with voltameters being associated with older methods and coulometers becoming linked to the SI unit of charge, the coulomb. The device determines the total charge passed through an electrolytic solution by measuring the mass of copper deposited on the cathode or dissolved from the anode. It can also experimentally ascertain the electrochemical equivalent of copper, which indicates the mass of copper involved per unit of charge.
3. Electrochemical Principles of Operation
The copper voltameter operates on the principles of electrolysis, driven by electric current to induce chemical reactions, governed by Faraday’s Laws of Electrolysis. These laws relate the mass of substance produced at an electrode to the electric charge passing through the cell. Specifically, Faraday’s first law states that the mass of material deposited is proportional to the charge passed, while the second clarifies that the masses produced are proportional to their equivalent weights.
In a copper voltameter, a copper anode undergoes oxidation, resulting in copper ions entering the solution, which corresponds to the reduction of copper at the cathode. This consistency of metal ensures an accurate correlation between charge and mass changes, maintaining a stable concentration of copper ions in the electrolyte as long as rates of dissolution and deposition are balanced.
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