Write a short note on paper chromatography?

Chromatography:

• Chromatography is used to separate complex mixtures such as coloured dyes from ink.
• In chromatography, substances are separated as they travel in a mobile phase that passes through a stationary phase.
• Paper chromatography is one of the types of chromatography.
• In paper chromatography, solvent act as the mobile phase, and filter paper acts as the stationary phase.
• It is a method of separating dissolved chemical substances by their different migration rates across the sheets of paper.

There are various applications of paper chromatography in various fields.

• It is used to detect the food adulterants in food.
• It is used to check the purity of pharmaceuticals.
• It is used to detect the contaminants in drinks and food.
• It is used to study the process of fermentation and ripening.