Difference between revisions of "Chromatography"
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| style="height:20px; width:200px; text-align:center;" |This [[diagram]] shows how black ink is made of three different inks in [[solution]]. | | style="height:20px; width:200px; text-align:center;" |This [[diagram]] shows how black ink is made of three different inks in [[solution]]. | ||
+ | |} | ||
+ | |||
+ | ===Method=== | ||
+ | {| class="wikitable" | ||
+ | |- | ||
+ | |[[File:ChromatographyExperimentDiagram.png|center|500px]] | ||
+ | |- | ||
+ | | style="height:20px; width:200px; text-align:center;" | | ||
+ | : 1. Draw a line across a piece of [[chromatograph]] paper. | ||
+ | : 2. Place a dot of ink on the line. | ||
+ | : 3. Hang the paper so that it touches the water but do not let the ink go below the water line. | ||
+ | : 4. Allow the water to rise up the paper. | ||
+ | : 5. Once the water stops rising up the paper observe the ink to see if any colours have separated. | ||
|} | |} |
Revision as of 16:50, 27 September 2018
Key Stage 3
Meaning
Chromatography is a method used to separate and identify different solutes found in a solution.
About Chromatography
- When more than one solute is dissolved in a solvent chromatography can be used to separate them.
- Chromatography experiments are often done with colourful solutes which can be seen easily.
This diagram shows how black ink is made of three different inks in solution. |
Method
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