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Cupric Chloride 250gm
Original price was: KSh2,500.00.KSh2,300.00Current price is: KSh2,300.00.
Cupric Sulphate Anhydrous
Original price was: KSh2,500.00.KSh2,300.00Current price is: KSh2,300.00.
Cupric Oxide 100gm
Original price was: KSh2,500.00.KSh2,300.00Current price is: KSh2,300.00.
Cupric oxide, also known as copper(II) oxide, is a black solid with the chemical formula CuO. It is a significant compound of copper and has various applications in different fields. Here are some key points about cupric oxide:
Properties:
- Chemical Formula: CuO
- Appearance: Black or dark brown powder.
- Molecular Weight: 79.545 g/mol
- Melting Point: 1,326 Ā°C (2,419 Ā°F)
- Density: 6.315 g/cmĀ³
- Solubility: Insoluble in water but soluble in acids.
Production:
Cupric oxide can be produced by several methods, including:
- Thermal Decomposition: Heating copper(II) nitrate, copper(II) carbonate, or copper(II) hydroxide in the absence of oxygen.
- Direct Oxidation: Heating metallic copper in the presence of oxygen.
Description
Uses of Cupric Oxide
1. Chemical Reactions and Experiments:
- Redox Reactions: Cupric oxide is often used in experiments to demonstrate redox reactions, where it acts as an oxidizing agent. For example, it can be reduced to copper metal by heating with hydrogen gas.
- Thermal Decomposition: Used to study thermal decomposition reactions. Cupric oxide can be obtained by heating copper carbonate or copper hydroxide.
2. Analytical Chemistry:
- Quantitative Analysis: Employed in gravimetric analysis to determine the concentration of copper in samples. Cupric oxide can be weighed before and after reactions to calculate the amount of copper present.
- Reagent in Tests: Acts as a reagent in various qualitative tests, such as detecting reducing sugars. Cupric oxide reacts with reducing sugars to form a red precipitate of copper(I) oxide (Cu2O).
3. Catalysis Studies:
- Catalyst Testing: Used as a catalyst in laboratory-scale reactions to study catalytic processes and reaction mechanisms. It can catalyze the oxidation of organic compounds and other reactions.
4. Synthesis of Compounds:
- Preparation of Other Copper Compounds: Cupric oxide is a precursor in the synthesis of other copper-containing compounds, such as copper sulfate (CuSO4) and copper acetate.
- Nanomaterials: Used in the synthesis of copper oxide nanoparticles, which have applications in electronics, sensors, and antimicrobial agents.
5. Material Science:
- Ceramics and Glass: Studied for its properties in ceramics and glass production. Cupric oxide is used to impart black and other colors to glass and ceramic materials.
- Superconductors: Investigated for its role in high-temperature superconductors, such as those based on cuprate materials.
6. Electronics and Semiconductor Research:
- Thin Films: Used in the fabrication of thin films for electronic devices. Cupric oxide thin films are studied for their electrical properties and potential use in solar cells and sensors.
- Photovoltaics: Research into its application in photovoltaic cells, where it can be used as an absorber material due to its semiconducting properties.
7. Educational Demonstrations:
- Demonstration of Chemical Principles: Frequently used in educational laboratories to demonstrate basic chemical principles, such as oxidation-reduction reactions, stoichiometry, and properties of metal oxides.
- Lab Safety and Handling: Teaching proper laboratory techniques and safety protocols when handling chemicals.
8. Environmental Chemistry:
- Pollution Control Studies: Used in experiments related to pollution control and environmental remediation. For example, it can be used to study the removal of sulfur dioxide from industrial emissions through chemical reactions.
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Cupric carbonate, also known as copper(II) carbonate, is a chemical compound with the formula CuCO3. It exists in nature as several different minerals, including malachite and azurite, which are valued for their vibrant green and blue colors, respectively. Cupric carbonate can also be synthesized in the laboratory.
In its natural form, cupric carbonate is often used as a pigment in paints and dyes due to its striking color. It has also been used historically as a source of copper in various applications, including as a fungicide in agriculture.
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It's important to handle cupric carbonate with care, as copper compounds can be toxic if ingested or inhaled in large quantities.
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Cupric chloride, also known as copper(II) chloride, is a chemical compound with the formula CuClā. It appears as a yellowish-brown powder in its anhydrous form and turns into a blue-green crystalline solid when hydrated. This compound is highly soluble in water, forming a blue solution.
Properties:
- Chemical Formula: CuClā
- Molecular Weight: 134.45 g/mol
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Cupric sulfate anhydrous refers to the form of copper(II) sulfate that does not contain water molecules in its crystal structure. It is used similarly to the hydrated form (cupric sulfate pentahydrate) in laboratory settings, often in analytical chemistry and as a source of copper ions in various reactions and processes.
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