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Silica Gel Self Indicator Coarse 500gm
Original price was: $1,200.00.$1,000.00Current price is: $1,000.00.
AcetateSodium 500gm
Original price was: $2,500.00.$2,300.00Current price is: $2,300.00.
Silver Nitrate 25gm
Original price was: $2,500.00.$2,300.00Current price is: $2,300.00.
Silver nitrate (AgNO₃) is a versatile and important compound with a wide range of applications. Here’s a breakdown of its key properties, uses, and laboratory applications:
Properties:
- Formula: AgNO₃
- Appearance: White crystalline solid
- Odor: Odorless
- Solubility: Highly soluble in water
- Melting point: 212 °C (414 °F)
Description
Uses of Silver Nitrate
- Analysis of Chloride Ions (Cl⁻):
- Silver nitrate excels in detecting and quantifying the presence of chloride ions, which are abundant in various substances.
- When a silver nitrate solution comes into contact with a solution containing chloride ions, a visible reaction occurs. A white precipitate, silver chloride (AgCl), forms. Since this precipitation reaction is highly specific for chloride ions, it allows researchers to:
- Qualitatively identify the presence of chloride ions in an unknown solution based on the formation of the silver chloride precipitate.
- Quantitatively determine the concentration of chloride ions in a solution. The amount of silver nitrate solution used to completely react with all the chloride ions can be measured, and calculations are then performed to determine the initial chloride ion concentration.
- Organic Chemistry Applications:
- Beyond chloride analysis, silver nitrate can be a useful reagent in some organic chemistry reactions. Here are two examples:
- Deprotection: In organic synthesis, protecting groups are sometimes introduced temporarily to certain functional groups in molecules. Silver nitrate can sometimes be used to cleave these protecting groups, allowing for the desired functional group to be revealed.
- Lewis Acid: Silver nitrate can act as a Lewis acid, meaning it can accept an electron pair from another molecule. This property can be useful in certain organic reactions where a Lewis acid is needed as a catalyst or activator.
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Aceto Carmine 100 ml
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Properties
- Color: Red to purplish-red.
- Solubility: Soluble in water and ethanol.
- Staining Characteristics: Stains chromatin and cytoplasmic components, providing contrast for better visualization under a microscope.
Preparation
- Ingredients:
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- Procedure:
- Dissolve a specific amount of carmine powder in hot distilled water.
- Add glacial acetic acid to the solution.
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Aluminium hydroxide is a chemical compound with the formula Al(OH)3. It is an inorganic compound that is commonly used as an antacid to neutralize excess stomach acid, as well as a component in the manufacture of various products, such as ceramics, paper, and cosmetics. It is a white, powdery substance that is insoluble in water and has a low toxicity. When heated, it decomposes to produce aluminium oxide, or alumina, which is used in the production of aluminium metal.
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Aluminum Potassium Sulphate, commonly known as potassium alum or potash alum, is a chemical compound with the formula KAl(SO₄)₂·12H₂O. It is a type of alum, a double sulfate salt, and is typically found in its dodecahydrate form. Here are some key points about this compound:
Physical Properties:
- Appearance: Colorless, transparent crystals or white powder.
- Solubility: Soluble in water but insoluble in alcohol.
- Melting Point: Decomposes at high temperatures before melting.
Chemical Properties:
- Molecular Formula: KAl(SO₄)₂·12H₂O
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