8. (a) What is chromatography ?
(b) Why is it named so?
(c) What are the advantages of chromatography?
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(A)the separation of a liquid mixture by passing it through a material through which some parts of the mixture travel further than others.
(B) https://www.chromatographytoday.com/news/gc-mdgc/32/breaking-news/why-is-chromatography-called-chromatography/31178
(C)1 Precise separation, analyses, and purification is possible using chromatography.
2 It requires very low sample volumes.
3 It works on a wide range of samples including drugs, food particles, plastics, pesticides, air and water samples, and tissue extracts.
2 It requires very low sample volumes.
3 It works on a wide range of samples including drugs, food particles, plastics, pesticides, air and water samples, and tissue extracts.
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The process of separating different dissolved constituents of a mixture by their absorption on an appropriate material is called chromatography.
It is named so because earlier it was used to separate mixtures containing colored components only but these days this technique is applied to colorless substances too.
- A very small quantity of the substance can be separated.
- Components with very similar physical and chemical properties can be separated.
- It identifies the different constituents of a mixture.
- lt also helps in quantitative estimation of components of a mixture.
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