

Sodium Dichromate 500gm
KSh1,865.00 Original price was: KSh1,865.00.KSh1,750.00Current price is: KSh1,750.00.
Sodium dichromate is a bright orange, crystalline compound with the formula NaāCrāOā. It’s a strong oxidizing agent often used in laboratories and industrial processes. It’s also utilized in cleaning and etching applications due to its powerful oxidizing properties. However, it is highly toxic and carcinogenic, so handling it requires strict safety measures.
Uses of Sodium Dichromate
Oxidizing Agent:
It serves as a strong oxidizer in various chemical reactions, such as oxidation of alcohols and aldehydes to ketones and carboxylic acids.
Cleaning Glassware:
Its cleaning power makes it useful for removing organic residues from laboratory glassware.
Chromatography:
It’s employed in some chromatographic methods to help separate and identify compounds.
Titration:
Sodium dichromate is used in redox titrations, especially in determining the concentration of reducing agents.
Preparation of Standard Solutions:
It can be used to prepare standard solutions for calibration and quality control in various assays.
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Acetaldehyde
- Chemical Structure: Acetaldehyde consists of two carbon atoms, one oxygen atom, and four hydrogen atoms. Its structure is CH3CHO, where the carbon atom in the middle is doubly bonded to an oxygen atom and singly bonded to a hydrogen atom and a methyl group (CH3).
- Occurrence: Acetaldehyde can be found naturally in various ripe fruits, coffee, and heated milk. It is also produced by the oxidation of ethanol (alcohol) by enzymes in the liver and other tissues in humans, making it an intermediate product in alcohol metabolism.
Aceto Carmine 100 ml
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:
- Carmine dye: A natural red dye extracted from the cochineal insect.
- Acetic acid: A colorless liquid organic compound with a pungent smell.
- Procedure:
- Dissolve a specific amount of carmine powder in hot distilled water.
- Add glacial acetic acid to the solution.
- Filter the mixture to remove any undissolved particles.
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Properties
- Chemical Formula: NH4C2H3O2
- Molecular Weight: 77.08 g/mol
- Appearance: White, crystalline solid
- Solubility: Highly soluble in water
- Melting Point: Decomposes upon heating
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