Modern chemical techniques: chromatography

2015-04-30T15:09:00+01:00

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This book teaches about modern chemical techniques without heavy emphasis on maths or physics. It includes descriptions of instruments and their applications.

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Chromatography
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Republic of Ireland
- Junior Cycle
  - Science
    - Chemical world
      - Building blocks
        2. Develop and use models to describe the nature of matter; demonstrate how they provide a simple way to to account for the conservation of mass, changes of state, physical change, chemical change, mixtures, and their separation.
- Leaving Certificate
  - Chemistry
    - 7. Organic chemistry
      - 7.5 Chromatography and Instrumentation in Organic Chemistry
        Depth of treatment
        Chromatography as a separation technique in which a mobile phase carrying a mixture is caused to move in contact with a selectively absorbent stationary phase.
        Social and Applied Aspects
        Use of thin-layer chromatography (TLC) in the separation of dyes taken from fibres in forensic work.
England
- A/AS level
Scotland
- Higher
  - SQA Chemistry
    - 3. Chemistry in society
      - (e) Chemical analysis
        (i) Chromatography
        Chromatography is a technique used to separate the components present within a mixture. Chromatography separates substances by making use of differences in their polarity or molecular size.
        The details of any specific chromatographic method or experiment are not required. Depending on the type of chromatography used, the identity of a component can be indicated either by the distance it has travelled, or by the time it has taken to travel…
- Advanced Higher
  - SQA Chemistry
    - Researching Chemistry
      - Practical skills and techniques
        Thin-layer chromatography
        Candidates should be familiar with thin-layer chromatography experimental procedure.
        Rf values can be calculated and under similar conditions a compound will always have the same Rf value within experimental error.
        Since a pure substance will show up as only one spot on the chromatogram, TLC can be used to assess the purity of a product prepared in the lab.
Wales
- A/AS level
  - WJEC Chemistry
    - Unit 4: ORGANIC CHEMISTRY AND ANALYSIS
      - 4.8 Organic synthesis and analysis
        (g) use of chromatographic data from TLC/paper chromatography, GC and HPLC to find the composition of mixtures
Northern Ireland
- GCSE
  - CCEA Double award science
    - Unit C1: Structures, Trends, Chemical Reactions, Quantitative Chemistry and Analysis
      - 1.9 Chemical analysis
        1.9.6 describe paper chromatography as the separation of mixtures of soluble substances by running a solvent (mobile phase) through the mixture on the paper (stationary phase), which causes the substances to move at different rates over the paper;
        1.9.7 interpret a paper chromatogram including calculating Rf values;
  - CCEA Chemistry
    - Unit 1: Structures, Trends, Chemical Reactions, Quantitative Chemistry and Analysis
      - 1.9 Chemical analysis
        1.9.6 describe paper chromatography as the separation of mixtures of soluble substances by running a solvent (mobile phase) through the mixture on the paper (stationary phase), which causes the substances to move at different rates over the paper;
        1.9.7 interpret a paper chromatogram including calculating Rf values;
- A/AS level
  - CCEA Chemistry
    - Unit A2 2: Analytical, Transition Metals, Electrochemistry and Organic Nirtrogen Chemistry
      - 5.4 Chromatography
        5.4.1 describe and explain how paper (one-way and two-way), thin-layer (TLC) and gas-liquid (GLC) chromatography are carried out qualitatively and quantitatively;
        5.4.3 interpret one-way and two-way paper and TLC chromatograms, including calculations of Rf values;

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Modern chemical techniques: chromatography

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Chromatography

Websites

Buy Modern Chemical Techniques: £19.95

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Related articles

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Nuclear magnetic resonance spectroscopy

Mass spectrometry

No comments yet

Only registered users can comment on this article.

More Resources

Condensation polymerisation – organic chemistry worksheets | 14–16

Natural polymers – organic chemistry worksheets | 14–16

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