Daniel Cell
Product Code : SCL-EAE-11263
Quick answer: The Daniell Cell is a zinc-copper galvanic cell used to show how a spontaneous redox reaction produces electricity. Zinc is oxidised at the negative anode, copper ions are reduced at the positive cathode, and a salt bridge completes the circuit, giving about 1.10 V under standard conditions. Lab Exports manufactures it in Delhi for schools, colleges and universities.
Specifications
| Parameter | Detail |
|---|---|
| Cell type | Galvanic (voltaic) cell |
| Electrodes | Zinc and copper |
| Nominal cell potential | Approx. 1.10 V under standard conditions |
| Ionic connection | Salt bridge or porous connection between the half-cells |
| Category | Electrolysis and electrochemistry equipment |
Vessel materials, electrolyte quantities and accessories are not listed on this page; email [email protected] with the house code for the supply scope.
How the Daniell cell experiment is done
In a Daniell cell a zinc electrode stands in zinc sulphate solution and a copper electrode in copper sulphate solution. Zinc atoms lose electrons (Zn -> Zn2+ + 2e-) and the electrons flow through the external circuit to the copper electrode, where copper ions gain them (Cu2+ + 2e- -> Cu). The salt bridge lets ions move between the half-cells to keep each solution electrically neutral. The cell is written Zn | Zn2+ || Cu2+ | Cu, with a standard EMF of about 1.10 V.
- Place the apparatus on a stable, chemical-resistant bench.
- Prepare the zinc and copper half-cells according to the practical procedure.
- Insert the zinc electrode into the zinc half-cell and the copper electrode into the copper half-cell.
- Connect the two solutions with the salt bridge or porous separator.
- Connect the electrodes to a DC voltmeter, copper to positive and zinc to negative, and record the EMF.
Removing the salt bridge makes the reading fall to zero, which shows why ionic contact is needed. The measured EMF is usually a little below 1.10 V because classroom solutions are not at standard concentration and temperature.
Key features
- Shows how a spontaneous chemical reaction produces an electrical potential
- Separates oxidation at the zinc anode from reduction at the copper cathode
- Zinc negative, copper positive: clear electrode polarity during discharge
- Connects to a DC voltmeter for supervised EMF readings
- Open half-cell layout for explaining electrolytes, ions and the salt bridge
- Supports cell notation and redox equations in chemistry and physics
Documentation and supply
Most Lab Exports products carry a one-year manufacturer warranty.
Lab Exports manufactures the Daniell cell at its works in Laxmi Nagar, Delhi, and supplies it to schools, colleges and universities in India and 60+ countries, handling the export documents for each shipment. More about the company is on the About Lab Exports page.
Related Electrical and Electronics products
- Resistance Coil Unit (SCL-EAE-11262)
- PNP Transistor Unit (SCL-EAE-11264)
- Leclanche Cell 1.5V (SCL-EAE-11261)
- NPN Transistor Unit (SCL-EAE-11265)
- Resistance Coil (SCL-EAE-11260)
- Zener Diode Unit (SCL-EAE-11266)
The full range is in the Electrical and Electronics section of the Physics Lab range.
Frequently asked questions
What is the EMF of a Daniell cell?
About 1.10 V under standard conditions. Classroom readings are usually slightly lower because the solutions are not at standard concentration.
What is the function of the salt bridge?
It lets ions move between the two half-cells, keeping each solution electrically neutral so that the reaction and the current can continue.
What is the price of the Daniell cell?
Prices are not published on the website. Add the Daniell cell to the Enquiry Cart with the Add To Cart button on this page, or email [email protected] with the house code SCL-EAE-11263 and the quantity, to receive a quotation.
Does Lab Exports manufacture the Daniell cell?
Yes. Lab Exports manufactures the Daniell cell at its works at 11/315, Lalita Park, Laxmi Nagar, Delhi 110092, under house code SCL-EAE-11263.
Request a quote
Email [email protected] with the house code SCL-EAE-11263 and the quantity, or add the Daniell cell to the Enquiry Cart with the Add To Cart button on this page. Tender buyers can also see the Tenders and OEM page.
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