2244035
Description
Mind Map by georgialennon, updated more than 1 year ago
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Created by georgialennon
about 9 years ago
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Gas Chromatography
- allows a mixture of compounds to be
separated, by their weight
- 1. sample dissolved in solvent and then injected into an end of the column
- 2. unreactive gas (nitrogen) carries sample through column
- 3. dif. substances travel through column at different speeds, and therefore become separated
- 4. separated substances leave the column, one after another. as they leave, they are detected by detector
- 4. separated substances leave the column, one after another. as they leave, they are detected by detector
- 3. dif. substances travel through column at different speeds, and therefore become separated
- 2. unreactive gas (nitrogen) carries sample through column
- 1. sample dissolved in solvent and then injected into an end of the column
- long glass tube, packed with
solid powdered material, fitted
into an oven.
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