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AQA A-Level Chemistry Chromatography £4.99   Add to cart
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  7. Unit 3.3.16 - Chromatography

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AQA A-Level Chemistry Chromatography
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A complete set of notes for the Chromatography topic for AQA A-Level Chemistry. These notes are all tailored to the specification and is a complete resource.

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  • June 28, 2022
  • 6
  • 2021/2022
  • Other
  • Unknown

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, Describes a group of separation techniques, depe
that a mixture can be separated if dissolved in a so
forming a resultant solution that moves over a soli
Mobile Phase: Carries the soluble components
of the mixture with it (must be a liquid or gas)
TYPES OF CHROMATOGRAPHY
Stationary Phase: Holds back components in the - Thin-Layer Chromatography: a plate is co
mixture that are attracted to it (may be solid in with a solid and a solvent moves up the p
thin-layer chromatography, or either a liquid or - Column Chromatography: a column is
solid on a solid support in gas chromatography) packed with a solid and a solvent moves
down the column
- Gas Chromatography: a column is packe
with a solid or with a solid coated by a liq
and a gas is passed through the column
under pressure at high temperature
TLC GC
The separation depends on the Retention tim
balance between solubility in the Rf values are u
moving phase and retention by the identify differe
CC stationary phase substances

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