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Introduction to Chromatography: The Science of Separation

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Introduction to Chromatography: The Science of Separation

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Questions and Answers

What did Mikhail Tswett use to separate plant pigments in the first true chromatography?

Alumina

Silica gel

Activated charcoal

Finely divided chalk (calcium carbonate CaCO3) (correct)

What does the term 'chromatography' mean?

Component Identification

Quantitative Analysis

Color Writing (correct)

Mixture Separation

Which components can be separated using chromatography technique?

Sugars, salts, acids, bases

Pigments, dyes, amino acids, vitamins, polymers (correct)

Metals, alloys, ceramics, minerals

Gases, liquids, solids, plasma

What is the primary purpose of chromatography?

Separating mixtures into their components for analysis and purification Signup and view all the answers

In which year was liquid chromatography first invented and named by Mikhail Tswett?

1903 Signup and view all the answers

What is the mobile phase in gas chromatography?

Gas Signup and view all the answers

In liquid solid chromatography, what is the nature of the stationary phase?

Solid Signup and view all the answers

What is the nature of the stationary phase in liquid liquid chromatography?

Liquid Signup and view all the answers

What type of chromatography uses a planar flat plate for the stationary phase?

Planar chromatography Signup and view all the answers

What type of chromatography involves a chemically and permanently held stationary phase to a porous solid?

Bonded phase chromatography (BPC) Signup and view all the answers