What is chromatography

What is chromatography?

The word chromatography originates from the Greek word ‘khromatos’ meaning color writing. Definition: A technique used for separating the components of a mixture by their distribution between a stationary and a mobile phase is called chromatography. Chromatography Principle: Chromatography is a method used primarily for […]

Solvent extraction

Solvent extraction

The removal of a solute from its solution by the addition of a solvent in which the solute is more soluble but which itself is not soluble in solution is called solvent extraction. Ether Extraction: Many organic compounds are produced along with minor products in […]

Sublimation

Sublimation

The direct conversion of solid into vapour without passing through liquid state by heating is called sublimation. Explanation: Sublimation is used to purify solid substances. – Iodine, ammonium chloride, naphthalene, anthracene, and benzoic acid can sublime. A substance to be sublimed is taken in a […]

Crystallization definition

Crystallization definition

The obtaining of crystals by cooling the hot saturated solution leaving behind mother-liquor is called Crystallization. Basic Principal: The preparation of a chemical compound usually affords a crude product and there is an need to purify it by crystallization from a suitable solvent. The basic […]

Filtration definition Chemistry

Filtration definition Chemistry

The process of separating solids or suspended particles from liquids by passing through a filter medium is called filtration. Filtrate: The liquid obtained after filtration is called filtrate. Residue: The substance which is left on the filter paper after filtration is called residue. Types of […]