Difference between revisions of "Mobile Phase"
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: During a [[chromatography]] [[experiment]] [[chemical]]s in a [[sample]] experience [[force]]s of [[attraction]] to the [[chromatography]] paper and the [[solvent]] being used. The '''mobile phase''' is caused by the [[force]] of [[attraction]] to the [[solvent]] which acts to move the [[chemical]] along the paper. | : During a [[chromatography]] [[experiment]] [[chemical]]s in a [[sample]] experience [[force]]s of [[attraction]] to the [[chromatography]] paper and the [[solvent]] being used. The '''mobile phase''' is caused by the [[force]] of [[attraction]] to the [[solvent]] which acts to move the [[chemical]] along the paper. | ||
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| + | ===References=== | ||
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| + | :[https://www.amazon.co.uk/gp/product/0008158762/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0008158762&linkCode=as2&tag=nrjc-21&linkId=a0fffa35b3ea49a63404f6704e0df7cc ''Mobile phase, pages 268-9, GCSE Chemistry; Student Book, Collins, AQA ''] | ||
Revision as of 17:28, 8 November 2019
Key Stage 4
Meaning
The mobile phase refers to the solvent used in a chromatography experiment.
About the Stationary Phase
- During a chromatography experiment chemicals in a sample experience forces of attraction to the chromatography paper and the solvent being used. The mobile phase is caused by the force of attraction to the solvent which acts to move the chemical along the paper.