Elektrolisis: Proses Elektrolisis Campuran Larutan Tembaga(II) Sulfat (CuSO4) Dan Aluminium Sulfat (Al2(SO4)3 Menggunakan Elektroda Karbon
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This research explores the electrolysis process of a mixture of copper(II) sulfate (CuSO4) and aluminum sulfate (Al2(SO4)3) solutions using carbon electrodes. The main objective is to understand the mechanism of gas formation and metal deposition efficiency. In the experiment, CuSO4 and Al2(SO4) solutions )3 with a concentration of 0.5 M each is used as the electrolyte, and carbon electrodes as the cathode and anode. During electrolysis, the electric current causes copper ions (Cu²⁺) to move to the cathode, undergo reduction to copper (Cu), and deposit on them. cathode. Aluminum ions (Al³⁺) tend to remain in solution due to the higher reduction potential. At the anode, hydroxide ions (OH⁻) from water are oxidized, producing oxygen gas (O₂). and oxygen gas at the anode. The efficiency of copper deposition was analyzed by measuring the mass of deposited copper. This research provides insight into the dynamics of electrolysis of CuSO4 and Al2(SO4)3 mixtures, as well as their potential in electrochemical applications. In conclusion, the use of carbon electrodes is effective for the deposition of pure copper and the production of oxygen gas as a by-product.
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The formation of pure copper deposits with a reddish-brown color is a distinctive characteristic of copper metal formed from the reduction of Cu2+ ions in solution.
“The result of this reaction is the formation of pure copper deposits with a reddish-brown color, which is a distinctive characteristic of copper metal formed from the reduction of Cu² ⁺ ions in the solution [39].”
From Identification of the Redox Reaction Between CuSO₄ and Zn Through Visual Observation in Basic Chemistry (2026) · cites this paper as [39]
The reduction reaction that produces a reddish-brown precipitate occurs when copper ions (Cu2+) in solution gain electrons and are converted into solid copper (Cu).
“The reduction reaction that produces a reddish-brown precipitate occurs when copper ions (Cu² ⁺ ) in the solution gain electrons and are converted into solid copper (Cu).”
From Identification of the Redox Reaction Between CuSO₄ and Zn Through Visual Observation in Basic Chemistry (2026) · cites this paper as [39]
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Bimo, I. A., Lebdoyono, R., Alifia, L., & Ifadah, R. A. (2026) · ALCHEMY: Journal of Chemistry · doi:10.18860/al.v14i1.37816
- Authors
- Ramadhan, L., & Ali, N. N. A.
- Affiliations
- Universitas Islam Kalimantan Muhammad Arsyad Al Banjary (ID)
- ORCID
- Najmi Nur Asyifa Ali
- Venue
- Polygon : Jurnal Ilmu Komputer dan Ilmu Pengetahuan Alam
- Published
- 2024-07-02
- Volume
- 2
- Issue
- 4
- Pages
- 105-112
- ISSN
- 3032-6249 (ISSN-L)
- 3046-5419
- OpenAlex
- W7129007780
- Cited by
- 0
- References
- 0
- FWCI
- 0.00
- Type
- journal article
- Language
- en
- Open access
- hybrid
- doi.org
- Licence
- Locations
- Polygon Jurnal Ilmu Komputer dan Ilmu Pengetahuan Alam (publishedVersion, cc-by-sa)
- Topics
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Electrodeposition and Electroless Coatings
- Physical Sciences › Chemistry › Physical and Theoretical Chemistry › Various Chemistry Research Topics
- Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Electrocatalysts for Energy Conversion
- Keywords
- electrolysis, copper sulfate, aluminum sulfate, electrolyte mixtures, carbon electrodes, copper deposition, redox potential
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