Gas Chromatography

georgialennon
Mind Map by georgialennon, updated more than 1 year ago
georgialennon
Created by georgialennon about 5 years ago
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1

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GCSE Chemistry Mind Map on Gas Chromatography, created by georgialennon on 03/11/2015.

Resource summary

Gas Chromatography
1 allows a mixture of compounds to be separated, by their weight
1.1 1. sample dissolved in solvent and then injected into an end of the column
1.1.1 2. unreactive gas (nitrogen) carries sample through column
1.1.1.1 3. dif. substances travel through column at different speeds, and therefore become separated
1.1.1.1.1 4. separated substances leave the column, one after another. as they leave, they are detected by detector
2 long glass tube, packed with solid powdered material, fitted into an oven.
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