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Chromatography

Chromatography is a set of techniques used to separate mixtures in a chemistry lab setting. The word chromatography means "color writing" and some of the first experiments in chromatography involved separating chlorophyll in plants.

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How can you find out what blood you are by using chromatography?

Chromatography can help identify blood type by separating the components of blood, such as red blood cells. By analyzing the separated components, the presence or absence of specific antigens can be determined to identify the blood type. The method involves using known antigen-antibody reactions to match the separated components to a specific blood type.

What chemicals are used for separation of leaf pigments in paper chromatography?

In paper chromatography for separating leaf pigments, common solvents used include a mixture of organic solvents such as ethanol, acetone, or petroleum ether, often combined with water. These solvents help dissolve the pigments, allowing them to travel at different rates along the chromatography paper based on their solubility and affinity for the paper. As the solvent moves up the paper, pigments like chlorophyll, carotenoids, and anthocyanins separate into distinct bands.